The Best 6 inch duct damper of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 6 inch duct damper of 2022. Check our ranking below.

2,074 Reviews Scanned

SaleRank No. #1

6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector

【Material】The 6 inch backdraft damper is made of a Galvanized steel, the flap leaves are made of aluminum
【Installation】The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation
【Function】This airflow regulating backdraft shutter fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use
【Wide Application】 These backdraft dampers can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and other residential, commercial and industrial applications
【Note】Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different. All dimensions are measured manually, please allow 1-3mm differences

Rank No. #2

AC Infinity 6" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6” Ducting in Range Hoods and Bathrooms Fans

An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications.
Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts.
Mounts horizontally or vertically to prevent backflow and debris from entering ducting.
Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow.
Fit for 6 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat

SaleRank No. #3

PATIKIL HVAC Duct Manual Volume Backdraft Damper, 6 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel, for HVAC

Durable Material: The body is made from stainless steel material and the flap blade is made from aluminum, durable material for long-lasting performance. Constructed with sturdy components to ensure reliability. (Size: Port Outer Diameter: 150mm / 6 inch; Length:190mm / 7.5 inch)
Manual Airflow Adjustment: Enjoy a comfortable environment with our damper sleeve, designed to use the manual handle on the valve to adjust the air volume from multiple angles. This is helpful to control room temperature and stop the backdraft. It is also important to know that the damper sleeve should be installed in places where you can easily control the handle.
Edge Silicone Sealing: Our damper sleeve features a rubber seal ring inside, providing good air tightness and it can prevent the air duct valve from leaking when it is closed. Also, this innovative design ensures smooth and silent operation when the flap board opens or closes.
Easy to install: Simply slide it directly into your ventilation pipe, and then use the pipe clamp and tape for a secure fit. Save time and effort with our design that allows for quick and straightforward installation.
Applications: The manual volume damper is used for air volume regulation in an air ventilation system, and it is widely used in the HVAC industry. With that installed in your HVAC systems, you can easily control the airflow rate or close off an air duct if needed, to some extent, it will increase the energy efficiency of your system.

Rank No. #4

Fixirons 6" HVAC Duct Manual Volume Damper Metal Adjustment Airflow Ducting Backdraft Damper for Air Ventilation System HVAC

Function: Fixirons 6 inch HAVC Duct Manual Volume Damper design to control air condition room temperature, air volume and stop the backdraft by manual airflow rotation handle. Durable, Weather & Rust Proof feature, Suitable for residential housing and industrial facilities use
Premium Material: Our Metal Adjustment Airflow Ducting Backdraft Damper made of high quality metal, which has excellent waterproof and rust-free performance, durable for long term use
Multi Purpose: The manual handle can be adjusted to different angles to control the air volume, Suitable for air ventilation system, HVAC industry and restaurant central air conditioning use. To improve the cost of energy efficiency
Easy to install: Step 1: Make sure the volume damper is suitable for your pipe diameter. Step 2: Insert the volume damper into the pipe and connect the two side of the pipe. Step 3: Secure the volume damper with pipe clamps and tape
Package Include: 1 Pack 6 inch HVAC Duct Manual Volume Damper (Note: Pipe port size should be less than 6'', please confirm the pipe diameter before purchasing）Quality Guarantee: If there is any quality problem, please feel free to contact us. Refund or Replacement for product quality problem

Rank No. #5

Therwen Backdraft Damper Duct Manual Volume Damper with Sleeve Stove Pipe Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing for Range Hoods, Fans(6 Inch, 2 Pcs)

Suitable Size: the bend end interface of air duct damper measures about 5.87 inches/ 14.92 cm in diameter while the other side is about 6 inches/ 15.24 cm in diameter and the height is about 6.25 inches/ 15.87 cm in height, which is suitable for inserting 6 inch ventilation duct
Galvanized Iron Material: the 6 inch vent ducting damper is made of quality galvanized iron with high hardness and high temperature resistance, not easy to deformation and corrosion, and can effectively prevent the air duct damper from moisture and fading, which can be applied for a long time
Use For Air Balance: the HVAC damper is a simple manual damper wrapped in galvanized iron sheet metal sleeves; Each branch should be fitted with an air duct damper to regulate the airflow by adjusting the position of the damper, which can help to redirect it to specific locations in the house; The 6 inch backdraft damper is not completely sealed, and it is applied for air balancing, not air termination
Easy to Install: you simply slide the air ducting damper into the pipe and screw it in an easy to adjust position, then hide the seam with tape to complete the installation; It is also recommended that you can seal all connections with pipe sealant to prevent air leakage and improve the efficiency of the HVAC system
Fit Most Occasions: the 6 inch vent ducting damper can be applied on most occasions including air conditioning, dryer vents, exhausts, range hoods, heating systems, fans, vents and other residential, commercial and industrial HVAC applications, practical tools to use

SaleRank No. #6

[Upgraded] Hon&Guan 6 Inch Backdraft Damper, One-Way Airflow Duct Damper 6 Inch Ducting Insert Backflow Preventer Duct Draft Blocker

【Upgrade design】 The 6 inch damper on both sides of the top and bottom of the two new concave inward pressure rib, and increase the thickness to 0.6mm, and 2 springs instead of 1 spring in the market, ensuring that the product is more robust and less prone to damage
【Quality Material】The 6 inch backdraft damper is made of a galvanized steel to withstand temperatures up to 140°F, the axis are made of aluminum, while the spring are made of carbon steel. Rugged and corrosion-resistant to keep you venting smoothly
【Installation method】The vent damper 6 inch has an opening of 150 mm and a length of 88 mm. When installed horizontally, the spring should be positioned horizontally so that it can be opened and closed optimally.
【Wide Applications】The 6 inch duct draft blocker valves can be inserted into ventilation dryer vent hose. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications
【Lightweight valve wings】The valve wings open under the pressure created by the airflow; when the air flows in the opposite direction, it is automatically closed under the action of the spring, so as to cut off the flow. Rubber ring ensure 100% closure and quiet closing.

Rank No. #7

TOP-VIGOR 6 Inch HVAC Duct Manual Volume Backdraft Damper, Galvanized Iron Airflow Control for HVAC, Range Hoods, Fans, Pellet Stove Pipes, Dryer Vents, Adjustable Volume Damper with Sleeve (1 Pc)

【About Size】Designed for use with a 6 inch ventilation duct, the air duct damper has a 6 inch (152.4mm) diameter at one end and a 5-7/8 inch (149.2mm) diameter at the bend end, with a height of approximately 6-1/4 inches (158.75mm).
【Galvanized Iron Construction】The damper is made of high-quality galvanized iron, ensuring high hardness, temperature resistance, and long-lasting durability. It effectively prevents corrosion and fading.
【Manual Air Flow Adjustment】 The damper has a soft-grip handle for comfortable operation and a scale for precise airflow control. Install where the handle is accessible to maintain optimal temperature and prevent backdrafts.
【Easy Installation & Air Tightnesss】 Features a rubber silicone seal that ensures a tight closure, preventing air leaks when the damper is closed. This improves system efficiency and helps reduce energy waste, with smooth, quiet operation.
【Versatile for HVAC Systems】Ideal for controlling airflow in various HVAC systems, ducts, and ventilation. Suitable for air conditioning, dryer vents, exhausts, range hoods, heating systems, fans, and other residential, commercial, and industrial applications.

Rank No. #8

TOP-VIGOR 6 Inch HVAC Duct Manual Volume Backdraft Damper, Full Stainless Steel Airflow Control for Range Hoods, Fans, Pellet Stove Pipes, Dryer Vents, Adjustable Volume Damper with Sleeve (1 Pc)

【Full Stainless Steel Construction】Port Outer Diameter: 150mm / 6"; Length: 190mm / 7.5". This 6 inch manual backdraft damper is made entirely from high-quality stainless steel, including both the body and the flap, ensuring long-lasting durability and high strength for reliable performance in all conditions.
【Manual Air Flow Adjustment】The damper has a scale for accurate airflow control. Use the manual handle to adjust airflow from multiple angles. Install it where the handle is easily accessible to maintain optimal room temperature and prevent backdrafts.
【Excellent Air Tightness】 Features a rubber silicone seal that ensures a tight closure, preventing air leaks when the damper is closed. This improves system efficiency and helps reduce energy waste, with smooth, quiet operation.
【Easy Installation】 Quick and hassle-free installation. Simply slide the damper into the duct and secure it with pipe clamps or tape. No specialized tools are required, making it perfect for DIY installation or professional use.
【Versatile for HVAC Systems】Ideal for controlling airflow in various HVAC systems, ducts, and ventilation. Suitable for air conditioning, dryer vents, exhausts, range hoods, heating systems, fans, and other residential, commercial, and industrial applications.

SaleRank No. #9

PATIKIL 6" HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control for Air Ventilation System

Outer Diameter of Interface: 147 mm / 5.79 inch; Overall Size: 197 x 1 mm / 7.76 x 0.04 inch (L*T); Color: Silver
Advantage: 1. Made of durable Galvanized Iron, which has high hardness and high temperature resistance, not easy to deform and corrosion, moisture-proof and fade resistant, can be used for a long time; 2. The side is designed with a rotary handle, which can adjust the air volume from multiple angles and is easy to operate; 3. The interface is smooth and flat, easy to disassemble and install. Silicone rubber ring design can prevent the air duct valve from leaking when it is closed.
Instruction: Easy to install, just simply slide the volume damper into the pipe you are attaching to, and fix with pipe clamp and tape.
Application: The manual volume damper is used for air volume regulation in an air ventilation system, widely used in HVAC industry. With that installed in your HVAC systems, you can easily control the air flow rate or close off an air duct if needed, to some extent, it will increase the energy efficiency of your system.
Note: Please confirm the outer diameter of the volume damper before placing an order.

Rank No. #10

AMREMSU 6 Inch HVAC Duct Backdraft Damper - Stainless Steel Manual Adjustable Air Control Valve with Sealing Rubber Gasket for Airflow Ducting Branch Vent Systems

Durable Material:AMREMSSU 6 Inch hvac damper combines stainless steel body with aluminum valve blade,rust-proof sturdy construction with high hardness and heat resistance, effectively prevents deformation, corrosion, moisture buildup,and discoloration of the duct damper valve for long-lasting performance.
Innovation Design:The ventilation duct uses manually operated adjustment valve.the handle with a protective cover for comfortable use and to prevent hand injuries.It allows multi-angle airflow adjustment for easy control.The aluminum valve blade features an internal rubber sealing ring,ensuring excellent airtightness. This guarantees leak-free operation and ensures smooth, quiet opening and closing of the valve.
Ergonomic Handle with Safety Guard：Unlike others, we have added rubber rings at both ends of the channel, providing good air tightness, easier installation, saving you time and effort, preventing air leakage to prevent air leakage and improve the efficiency of the HVAC system, you just need to pull it into the ventilation duct you need, and secure it with pipe or tape to complete the operation
Widely Used: Our manual 6-inch duct control valves are used in a wide range of ventilation systems to regulate air volume, HVAC, exhaust fans, hydroponics, dryers, vent heating systems, fans, vents, and other residential, commercial, and industrial HVAC applications. You can easily control the airflow rate or turn off the duct when needed, which improves your system's energy efficiency to a certain extent.
Manual Adjustment of Air Balance: Our 6 inch damper air valve sleeve is manually adjustable to adjust the air volume from multiple angles, so that the air flow can enjoy a comfortable environment at any time. Air valve sleeve controls indoor temperature and prevents reverse flow.Applies to air balance, not air termination.

Last update on 2025-04-28 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 6 inch duct damper?

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Is it worth buying an 6 inch duct damper?
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Potential sources can include buying guides for 6 inch duct damper, 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 6 inch duct damper. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 6 inch duct damper 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 6 inch duct damper 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 6 inch duct damper 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 6 inch duct damper?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 6 inch duct damper.
Customer Ratings: Number ratings grade 6 inch duct damper objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 6 inch duct damper.
Product Quality: You don’t always get what you pay for with an 6 inch duct damper, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 6 inch duct damper is should be an indication of how long it will work out for you.

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The Best 6 inch duct damper of 2022 – Reviewed and Top Rated

How Do You Buy The Best 6 inch duct damper?

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