Contents

20 Best Ecogear N95 Mask of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Ecogear N95 Mask of 2023. Check our ranking below.

2,252 (random number) Reviews Scanned

Rank No. #1

MANUFACTURER 100% Made in Indiana by FSSC LLC - dba Indiana Face Mask
ONE SIZE FITS ALL Individually Packaged & Sealed N95 Respirators! 25 Single Use N95 per Box
HEAD STRAPS & DIMENSIONS Features Elastic Head & Neck Straps To Help Maintain Maximum Facial Fit & Seal. Size of Facial Cup: 5.75" Side-to-Side, 6.125" Top-to-Bottom, 4.25" Front Edge to Side
HIGH BREATHABILITY Users Report Having Ample Room in Front of Their Mouth & Nose to Breath While Wearing Our N95

Rank No. #2

DemeTECH NIOSH N95 Respirator Face Mask, Fold-Style with Headbands, Made in USA, 20 Qty

N95 RESPIRATOR MASK: At DemeTECH, your safety is our top priority. Each American-made N95 mask uses only the highest-quality materials. Our N95 fold-style respirator mask has attached headbands to secure the mask to your face.
COMFORTABLE & BREATHABLE: This breathable face mask features comfort layers for extended use. From a doctor’s visit to running errands in a crowded store, our N95 face masks stay in place without hindering your breathing or irritating your ears.
PROTECTION: This N95 mask is NIOSH approved, meaning that it is the same quality as a surgical mask. It is made with 5 layers of material, 2 of which are for filtration. Use this protection mask to keep yourself safe from harmful airborne particles.
MULTI USE SAFETY MASK: Whether you are traveling, painting, doing home construction, or walking through a crowded theme park, our respirator N95 mask filters your air supply to keep you safer.
DEMETECH, A STEP ABOVE: We strive to enhance the experiences of our customers—doctors and patients alike—through hard work, dedication, and a commitment to cutting-edge technology and innovation.

SaleRank No. #3

3M N95 Respirator, VFlex Particulate Respirator 9105, Disposable, Sweeping, Sanding, Grinding, Sawing, Bagging, Dust, 50/Box

NIOSH APPROVED N95: For at least 95% filtration efficiency against certain non-oil based particles like dust
COMFORTABLE: V-shaped pleats expand to provide a comfortable seal while giving you a spacious feel
EASY POSITIONING: The tabs on the side are designed as handles for easy positioning of the respirator on your face to achieve a comfortable fit
SECURE SEAL: Adjustable nose clip helps provide a custom and secure seal
EASIER TALKING: The unique embossed ‘V’ shapes on the front panel are designed to keep filter media away from your mouth. The pleats flex with mouth movement for easier talking

SaleRank No. #4

3M Aura Particulate N95 Respirator 9205+, Flat Fold Lightweight Design, Non-Valved, 20 Count (Pack of 1)

NIOSH APPROVED for at least 95 percent filtration efficiency against certain non-oil based particles
FITS A WIDE RANGE OF FACE SHAPES AND SIZES
CURVED LOW-PROFILE DESIGN conforms well to nose and eye contours, allowing more room for eyewear
EMBOSSED TOP PANEL designed to help reduce eyewear fogging
INNOVATIVE CHIN TAB designed for ease of positioning, donning and adjustment

SaleRank No. #5

3M Aura Particulate Respirator 9205+ N95, Lightweight, Three Panel Designed Respirator Helps Provide Comfortable And Convenient Respiratory Protection, 10-Pack

NIOSH APPROVED for at least 95 percent filtration efficiency against certain non-oil based particles
FITS A WIDE RANGE OF FACE SHAPES AND SIZES
CURVED LOW-PROFILE DESIGN conforms well to nose and eye contours, allowing more room for eyewear
EMBOSSED TOP PANEL designed to help reduce eyewear fogging
INNOVATIVE CHIN TAB designed for ease of positioning, donning and adjustment

SaleRank No. #6

NIOSH Approved N95 Mask Particulate Respirators, Pack of 20 N95 Face Masks, Individually Wrapped, Universal Fit

NIOSH APPROVED N95 MASK RESPIRATOR - Approval Number: TC-84A-7447 - certified for at least 95% particulate filtration efficiency. Manufacturer: SUZHOU SANICAL PROTECTIVE PRODUCT MANUFACTURING CO., LTD.
FILTER MEDIA - This N95 Masks has four filter layers, PP spunbond outer layer, PP needle-punched nonwoven inner layer 19 g, PP meltblown high filtration layer, PP spunbond layer, PP meltblown high filtration layer have double layer thickening filter media.
ADJUSTABLE NOSE CLIP - 3D nose clip design with inner and outer layers N95 Mask. This is an adjustable nose bridge design n95 filter respirator with a double-layer nose bridge design. It's very comfortable and breathable, soft inner foam nosepiece made of black PU foam, hidden adjustable outer nose clip made of iron wire+plastic nose clip. Accord with Human face design.
HEADBAND STYLE - The double elastic head straps are soft and gentle to eliminate the pressure behind the ears compared with the style with the ear strap behind the ear, this head rope will be more comfortable, better airtightness and the tightness will be safer than the ear elastic style mask even when worn for a long time.
N95 MASK WIDELY USE - When you go to crowded public places and enclosed public spaces such as office, school, malls, party and busy city streets.

SaleRank No. #7

Good Mask Co. Good Comfort KN95 Face Mask, Disposable KN95 Face Mask, Folding, Filter Efficiency 95%, Comfortable Face Masks, Bulk Face Masks (10 Pack of Masks, Black)

ALL DAY COMFORT: These masks are made of soft, comfortable material for long days of wear. Ear loops are soft and strong, for a great fit. For work, school or running errands.
95% FILTRATION: These face masks filter 95% of particles in the air to help you and those around you.
FACE-FITTING DESIGN: The pliable design forms to the face with elastic ear loops and a nose clip.
DISPOSABLE KN95 FACE MASK: Wear a fresh mask every day without the hassle of doing laundry.
DISCLAIMER: This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s.

Rank No. #8

FANGTIAN N95 Mask NIOSH Certified Particulate Respirators Protective Face Mask (Pack of 10, Model FT-N040 / Approval Number TC-84A-7861), 10 Count (Pack of 1)

NIOSH Approved N95 certified for at least 95 percent filtration efficiency against certain non-oil based particles. [NIOSH Approval#: TC-84A-7861]
Adjustable nose clip helps in obtaining a secure seal.
Durable latex-free material to ensure your wearing comfort.
Compatible with a variety of protective eyewear and hearing protection.
Advanced electrostatic media is designed for ease of breathing, and produced by a credible manufacturer (Suzhou Fangtian Industries Co., Ltd.), Model: FT-N040

Rank No. #9

BNX N95 Mask Black NIOSH Certified MADE IN USA Particulate Respirator Protective Face Mask, Tri-Fold Cup/Fish Style, (10-Pack, Approval Number TC-84A-9362 / Model F95B) (Headband) Black

NIOSH Approved N95 Respirator Mask - (NIOSH Approval Number: TC-84A-9362) - N95 mask certified for protection against 95% of non-oil based particles 0.3microns or larger. Size small/medium. Elastic bands go over the head, not over the ears.
MADE IN USA – Manufactured by BNX Converting LLC in Houston TX, a NIOSH/CDC Approved and FDA Registered (Registration # 3017489417) manufacturer of N95 mask respirators.
Superior Protection & Breathability - BNX’s multi-layer filtration technology provides maximum protection, comfort and breathability. The active filter layer of these N95 masks is composed of ultra-high grade electrostatically charged meltblown polypropylene. Extremely breathable up to 50%+ more breathable than NIOSH minimum requirement.
Latex Free Enhanced Comfort and Secure Fit - Features latex free and amazingly soft and durable headband straps as well as an adjustable metal nose piece to ensure a tight yet comfortable seal. Please follow all recommended fitting instructions and guidelines to ensure proper fit and protective seal. Flat fold design allows for convenient storage prior to use. Improved 3D design provides room for your mouth to move when you speak and greater compatibility with and reduced fog on eyewear.
BNX Quality Promise & Applications - BNX is committed to delivering the highest quality American made safety products using the latest automated manufacturing processes and technology and the strictest quality standards. Our N95 respirator masks are ideal for use by Healthcare and Frontline workers as well in crowded or contaminated areas such as: Commercial Buildings, Construction, Food Processing & Safety, Retail, Manufacturing, Infrastructure, Education, Oil & Gas, Transportation, and more.

SaleRank No. #10

3M Personal Protective Equipment Particulate Respirator 8210, N95, Smoke, Dust, Grinding, Sanding, Sawing, Sweeping, 20/Pack

NIOSH APPROVED: For at least 95 percent filtration efficiency against certain non-oil based particles
COMPATIBLE: With a variety of protective eyewear and hearing protection
ADJUSTABLE NOSECLIP: Reduces potential for eyewear fogging and helps provide a custom and secure seal
TWO-STRAP DESIGN: With welded dual point attachement that helps provide a secure fit.
APPLICATIONS: Gringing, sanding, sweeping, bagging, and other dusty operations.

SaleRank No. #11

BYD CARE N95 Respirator, 20 Pack with Individual Wrap, Breathable & Comfortable Foldable Safety Mask with Head Strap for Tight Fit

This product has a filter efficiency of 95% or greater against solid and liquid aerosols free of oil.
Manufactured by BYD Precision Manufacture Co., LTD (NIOSH Approval No. 84A-9221)
The mask consists of three layers of high quality nonwoven materials: the outer and inner layers are made of polypropylene spunbond nonwoven fabric; the middle layer is made of polypropylene melt-blown nonwoven fabric.
Provide soft, skin-friendly, comfortable wearing experiences and protection for daily usage.
The foldable design can cover the nose and mouth with close fit to the face, providing respiratory protection against non-oil particles and reduce user exposure to certain airborne particles

SaleRank No. #12

akgk KN95 Face Mask 50 PCS, Breathable Protection Masks, Individually Wrapped, 5-Ply KN95 Black Masks, Cup Dust Safety Masks

Made of two layers of non-woven fabric, two layers of melt-blown fabric, one layer of hot air cotton.
High level breathing protection, filter efficiency, breathable fabric, suitable for all seasons.
High quality elastic ear loops make it comfortable to wear for a long time.
Disclaimer: “This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s”
KN95 Face Mask 50 PCS, Breathable Protection Masks, Against PM2.5, Filter Efficiency≥95%, 5-Ply KN95 Black Masks, Cup Dust Safety Masks

Rank No. #13

AccuMed BNX N95 Mask Black MADE IN USA Particulate Respirator Protective Face Mask (10-Pack, Approval Number TC-84A-9315 / Model H95B)

10-pack N95 Respirator Mask - (Approval Number: TC-84A-9315) - N95 mask certified for protection against 95% of non-oil based particles 0.3microns or larger. Size Medium/Large. Elastic bands go over the head, not over the ears.
MADE IN USA* – Manufactured by BNX Converting LLC in Houston TX, a and Registered (Registration # 3017489417) manufacturer of N95 mask respirators. *Manufactured in the USA from globally sourced components.
Superior Protection & Breathability - BNX’s 5-layer filtration technology provides maximum protection, comfort and breathability. The active filter layer of these N95 masks is composed of ultra-high grade electrostatically charged meltblown polypropylene. Extremely breathable up to 50%+ more breathable than minimum requirement.
Latex Free Enhanced Comfort and Secure Fit - Features latex free and amazingly soft and durable headband straps as well as an adjustable metal nose piece to ensure a tight yet comfortable seal. Please follow all recommended fitting instructions and guidelines to ensure proper fit and protective seal. Flat fold design allows for convenient storage prior to use. Improved 3D design provides room for your mouth to move when you speak and greater compatibility with and reduced fog on eyewear.
BNX Quality Promise & Applications - BNX is committed to delivering the highest quality American made safety products using the latest automated manufacturing processes and technology and the strictest quality standards. Our N95 respirator masks are ideal for use by Healthcare and Frontline workers as well in crowded or contaminated areas such as: Commercial Buildings, Construction, Food Processing & Safety, Retail, Manufacturing, Infrastructure, Education, Oil & Gas, Transportation, and more.

Rank No. #14

benehal NIOSH Certified N95 Mask Pack of 20 Particle Respirator Protection N95 Cup Dust Mask Model MS6135L Grey for Adult Women Men

NIOSH APPROVED N95 RESPIRATOR MASK - Approval Number: 84A-7284 - certified for at least 95% particulate filtration efficiency. Manufacturer: SUZHOU SANICAL PROTECTIVE PRODUCT MANUFACTURING CO., LTD.
FILTER MEDIA - This N95 mask has four filter layers, PP spunbond outer layer、Actived carbon fiber filtration middle layer、PP meltblown high filtration layer、PP needle-punched nonwoven inner layer, PP meltblown high filtration layer have double layer thickening filter media.
ADJUSTABLE NOSE CLIP - 3D nose clip design with inner and outer layers. This is an adjustable nose bridge design n95 filter respirator with a double-layer nose bridge design. It's very comfortable and breathable, soft inner foam nosepiece made of black PU foam, hidden adjustable outer nose clip made of iron wire+plastic nose clip. Accord with Human face design.
HEADBAND STYLE - The double elastic head straps are soft and gentle to eliminate the pressure behind the ears compared with the style with the ear strap behind the ear, this head rope will be more comfortable, better airtightness and the tightness will be safer than the ear elastic style mask even when worn for a long time.
N95 MASK WIDELY USE - When you go to crowded public places and enclosed public spaces such as office, school, malls, party and busy city streets.

Rank No. #15

ULTIMATE PROTECTION: Take confidence in the optimum, 4-Layer protection of our disposable face masks. Our KN95 face masks are form-fitting, protecting you from dust, air particles, debris, and more!
MAXIMUM COMFORT: Enjoy optimal comfort in our soft, odorless, fluid-resistant, and breathable face masks. The KN95 face mask is lightweight and easily contours to your face, providing you with non-irritating, all-day comfort, and protection.
HIGH PERFORMANCE: Our breathable face mask with filter, provides you with a filter efficiency greater than 95%, ensuring that you don’t breathe in the harmful toxins from dust and impure air.
CONVENIENCE: Our face masks are convenient and lightweight, with a foldable design making folding and carrying a breeze! Our skin-friendly design also provides you with increased breathing space while giving you the most protection.
SATISFACTION GUARANTEE: If you are not fully satisfied with your purchase, don’t hesitate to contact us. You can take pride in knowing that our KN95 face mask is durable, disposable, reusable, and made right here in the USA--with a portion of our proceeds being donated nationwide! Disclaimer: “This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s”

SaleRank No. #16

3M Aura Particulate Respirator 9205+, N95, Pack of 20 Disposable Respirators, Individually Wrapped, 3 Panel Flat Fold Design Allows for Facial Movements, Comfortable, NIOSH Approved, Smoke

NIOSH APPROVED: N95 for at least 95% filtration efficiency against certain non-oil based particles like dust
REDUCED EYEWEAR FOGGING: Embossed top panel designed to help reduce the fogging of eyewear from warm, moist exhaled air
COMFORTABLE: Soft inner material provides added comfort while the soft nose foam and adjustable nose clip help provide a custom seal
LOW PROFILE DESIGN: Sculpted nose panel that follows the contours of your nose allowing more room for eyewear
EASY POSITIONING: Innovative chin tab designed for ease of positioning, donning, and adjustment

Rank No. #17

Makrite SEKURA N95 Foldable Particulate Respirator Mask, NIOSH Certified, M/L Size (Box of 40 Masks)

PERFECT PROTECTION—This NIOSH approved respirator mask is a testament to the quality and reliability of personal protective equipment (NIOSH Approval Number: TC-84A-7638); It provides at least 95% filtration efficiency and reliable breathing protection against aerosols free of oil and/or non-volatile liquid particles
EASY TO BREATH—Our premium filter material provides extremely low breathing resistance and full protection to the wearer for at least 8 hours
EXCELLENT FIT—The adjustable nosepiece is made of durable aluminum and can be shaped easily along your nose bridge to prevent leakage and eyewear fogging; The high elasticity head-straps ensure a tight and secure seal
SOFT & COMFORTABLE—The softness of the surface material gives you a first class experience, and the inner urethane foam gives greater comfort to those who wear it throughout the day
USE FOR—Medical Setting Personal Protection, Construction, Home Improvement, Cleaning, Mowing, Gardening, and DIY Projects; 40-PACK of M/L Size Individual Makrite SEKURA-N95 Respirator Masks

SaleRank No. #18

ChiSip KN95 Face Mask 20 Pcs, 5-Ply Cup Dust Safety Masks, Breathable Protection Masks Against PM2.5 for Men & Women, Black

【EACH for CONCERN & LOVE】5-layer design KN95 mask further upgrades protective level, safer than 3-layer fabric or normal bandana and wraps. Manufacturer: CHENGDE TECHNOLOGY CO.,LTD
【5-LAYERED FILTER】Breathable kn95 face masks are made of two layers of non-woven cloth, two layers of melt-blown fabric, one layer of hot air cotton. Inner skin-friendly layer absorb the moisture from the breath, 5-ply kn95 mask help facilitate easy, simple, and healthy breathing at all times.
【SNUG & COMFY】The 3D structure is designed according to the human face shape to ensure the tightness and safety. With stretchable ear loop and metal adjustable nose clip, a comfortable fit and reliable protection always.
【WIDELY USE】 Keep your mouth, nose and chin covered and protected when you go to crowded public places and enclosed public spaces. This kn95 protective masks are good for transport drivers, taxi drivers, public service personnel, armed police, traffic police, security personnel, media reporters, couriers, etc because they have daily contacts with large amount of people.
Disclaimer: This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s

SaleRank No. #19

LEMENT 25pcs KN95 Face Mask Black 5 Layer Cup Dust Safety Masks Filter Efficiency≥95% Breathable Elastic Ear Loops Black Masks

The filter efficiency of this KN95 mask is over 95%, which can protect you in the critical time.Breathable KN95 face masks are made of two layers of non-woven cloth, two layers of melt-blown fabric, one layer of hot air cotton. Inner skin-friendly layer absorb the moisture from the breath, 5-ply KN95 mask help facilitate easy, simple, and healthy breathing at all times.
The 3D structure is designed according to the human face shape to ensure the tightness and safety. With soft elastic stretchable ear loop,which helps eliminate pressure on the ears for comfortable experience. Adjustable nose clip can help the mask perfectly attach onto your face.The four sides join tightly to the face; Hence, the protective mask KN95 avoids unfiltered air directly entering into.
Application:Keep your mouth, nose and chin covered and protected when you go to crowded public places and enclosed public spaces. This KN95 masks are good for transport drivers, taxi drivers, media reporters, couriers, etc.Which can be applied in home, office, school, park, playground, indoors, outdoors and more congested and busy public places.
A lightweight and foldable design makes these face masks easy to fold into your bag, easy to incorporate and save space. Our breathable face mask KN95 can greatly improve the permeability, and to make wearing and exhaling more comfortable.They are a great choice to take along when you will be among people and want to stay safe.
Disclaimer: “This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s”

SaleRank No. #20

HUHETA KN95 Face Masks, Packs of 30 Individually Wrapped, 5-Ply Breathable and Comfortable Safety Mask, Filter Efficiency Over 95%, Protective Cup Dust Masks Against PM2.5 (Black Mask)

5-Ply Protective: This mask is made of 2 non-woven outer layers, 2 melt-blown inner filter, 1 non-woven fabric middle layer absorbing the moisture. This 5-Ply mask is designed to offer more protection than a standard disposable 3-Ply mask. (PS: Has two layers of melt-blown fabric. When they are produced, they are easy to stick together, which will cause you to mistake them for one layer, You can separate them by rubbing them)
Upgraded Packaging: This package was well packaged with a seal label which includes 30 individually wrapped masks, which can avoid the pollution caused by touch when taking the mask and also can be perfectly placed in your backpack, purse and pocket. Convenient to carry and use.
High Filtration: The minimum filter efficiency is 98%, greatly keeping you from dust, PM 2.5, haze, smoke, automobile exhaust, etc. Perfect For families, office staff, warehouse workers.
Comfortable & Breathable: High-elastic ear loops and adjustable nose clip to ensure a comfortable fit and no strain of ears. It's lightweight and foldable, can cover mouth, nose and chin easily. Creates a tight seal & stops glasses from fogging.
Disclaimer: This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s.

Last update on 2023-08-06 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Ecogear N95 Mask?

Do you get stressed out thinking about shopping for a great Ecogear N95 Mask? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Ecogear N95 Mask, which is why we have assembled a comprehensive list of the greatest Ecogear N95 Mask available in the current market. We’ve also come up with a list of questions that you probably have yourself.

Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Ecogear N95 Mask that you consider buying. Your questions might include the following:

Is it worth buying an Ecogear N95 Mask?
What benefits are there with buying an Ecogear N95 Mask?
What factors deserve consideration when shopping for an effective Ecogear N95 Mask?
Why is it crucial to invest in any Ecogear N95 Mask, much less the best one?
Which Ecogear N95 Mask are good in the current market?
Where can you find information like this about Ecogear N95 Mask?

We’re convinced that you likely have far more questions than just these regarding Ecogear N95 Mask, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Ecogear N95 Mask, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Ecogear N95 Mask. Make sure that you are only using trustworthy and credible websites and sources.

Romance University provides an Ecogear N95 Mask buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Ecogear N95 Mask currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Ecogear N95 Mask has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Ecogear N95 Mask?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Ecogear N95 Mask.
Customer Ratings: Number ratings grade Ecogear N95 Mask objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Ecogear N95 Mask.
Product Quality: You don’t always get what you pay for with an Ecogear N95 Mask, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Ecogear N95 Mask is should be an indication of how long it will work out for you.

Romance University always remembers that maintaining Ecogear N95 Mask information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Ecogear N95 Mask is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: Are N95 masks approved by NIOSH?

A: There are some products that are approved by NIOSH as an N95 respirator and also cleared by the Food and Drug Administration (FDA) as a surgical mask.

Q: What are surgical N95 respirators?

A: There are some products that are approved by NIOSH as an N95 respirator and also cleared by the Food and Drug Administration (FDA) as a surgical mask. These products are referred to as Surgical N95 Respirators.

Q: How should I store my N95 mask?

A: The CDC recommends that users store used N95 masks in a breathable container during their shift if worn for extended use. The container needs to be well marked (to prevent accidental use), and stored according to the manufacturer’s recommendations for temperature and moisture.

Q: Where can I find a surgical N95 respirator approved prior to Mou?

A: NIOSH also provides a table of the surgical N95 respirators approved prior to the MOU. If you believe a surgical N95 respirator is missing from the list, contact the CDC to determine the respirator’s approval status.