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The Best Aprilaire 400 Replacement Filter of 2023 – Reviewed and Top Rated
2,521 Reviews Scanned
- BUY WITH CONFIDENCE This genuine replacement water panel was designed and manufactured in the USA by AprilAire – the leader in indoor air quality solutions to optimize the performance of your AprilAire Humidifier Models: 400, 400A and 400M
- PERFECT APRILAIRE FIT The Model #45 Water Panel dimensions are 9-7/8" W x 12-7/8" H x 1.75" D and it's made of heavy-duty paper, reinforced with two layers of aluminum mesh and treated with an anti-microbial agent to prevent the growth of mold
- FOR OPTIMAL PERFORMANCE replace your genuine AprilAire Whole-Home Humidifier Water Panel twice during the season - this convenient 2-pack offers a 1-year supply
- HUMIDITY FOR HEALTH AprilAire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions.
- EASY INSTALLATION Follow the illustrated instructions included
- HIGH QUALITY REPLACEMENT PART: TOMOON April.aire 45 water panel for humidifier is designed specifically for April.aire.It utilizes multiple layers of thickened paper and 2 layers of aluminum alloy. Increased filter area and flexural strength
- PERFECT FIT: Actual Size: 9-7/8" x 12-7/8" x 1.75". April.aire 400m humidifier panel replaces april.aire 400, 400A, 400M. Replacing april.aire 400 series humidifier filter every year allows the humidifier to last longer
- INCREASE AIR HUMIDITY: By replacing the 45 water panel, you can ensure that the April.aire humidifier consistently maintains the air humidity level at 40%-60%. Help prevent dry skin, static electricity, dust buildup and respiratory discomfort
- EASY INSTALLATION: Replacing the April.aire 400 humidifier filter is a straightforward task that can be completed without any professional assistance. Simply remove the old April.aire 45 water panel and slide in the new one, saving your precious time
- COST-EFFECTIVE SOLUTION: By choosing TOMOON, you will get 2 April.aire 45 water panels, an affordable way to keep your April.aire humidifier performing.Our perfect after-sales policy also gives you an excellent shopping experience
- Replacement water panel for Aprilaire # 45. The 45 Water Panel Humidifier Filter replacement is compatible with Aprilaire whole house humidifier Models 400, 400A, 400M humidifier filters.
- Reinforced Filters & Honeycomb Design: Aluminum reinforced to provide longer filter life and better efficiency than standard wicking filters. The high output honeycomb design of the 45 water panel distributes moisture more evenly and thoroughly in the home, fully utilizing the advantages of humidifiers.
- High-efficiency Filtration: The 45 water panel humidifier filter is a replacement part designed specifically for the Aprilaire 400 series replacement filter. This filter has the capability to reduces pollutants from the water used in your humidifier providing you more healthy and comfortable air to breathe in.
- Low Maintenance: Replace aprilaire 45 replacement filter every six months to maximize the efficiency of the humidifier and maintain appropriate and comfortable humidity levels throughout the entire home. Regularly replace the filter element of aprilaire water panel 45 to extend the service life of the humidifier.
- What You Get: You will receive two 400 water panel humidifier filters. Please confirm the model you need before purchasing. If you have any questions, please send us an email and we will reply within 24 hours.
- BUY WITH CONFIDENCE: This genuine Aprilaire Humidifier Maintenance Kit was designed and manufactured in the USA by Aprilaire – the inventor of the Whole Home Evaporative Humidifier and the leader in indoor air quality solutions, to optimize the performance of your Aprilaire Whole Home Humidifier and make it like new
- COMPLETE MAINTENANCE KIT: No need to find the parts yourself! This kit contains all components required to maintain peak performance of your AprilAire Whole Home Humidifier, models 400, 400A, 400M. Reference Owner's Manual included with all AprilAire Humidifier Maintenance Kits before performing humidifier maintenance.
- MAINTENANCE KIT INCLUDES: Water Panel (45), Scale Control Insert (4403), Water Distribution Tray (4407), Feed Tube with Compression Sleeve and Nut (4335), Yellow Orifice (4231), In-line Strainer (4004), Float Assemblies (4406), Float Cover (4405), Owner's Manual
- PERFECT APRILAIRE FIT: Water Panel actual dimensions - 12.875" H x 9.875" L x 1.75" W - for optimal performance replace water panel twice during the season
- HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 40% – 60% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you’ll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
- 45 Water Panel Humidifier Filter Pad Compatibility : Water panel compatible with Aprilaire Humidifier Model:400, 400A, 400M, The Perfect fit humidifier filter replacement helps reduce the adverse effects of dry air and optimize the humidity level of the surrounding environment.
- Humidifier Water Panels Humdity for Comfort : Humidifier pad design maximizes moisture output from the humidifier. Humdity for health humidifier filters can help you maintain optimal humidity in your home of 35% – 45%, create a comfortable home environment for you.
- Humidifier Filters Replacement : Our humidifier water panel dimensions are 10" H x 13" L x 1.75" W, Filter design maximizes moisture output from the humidifier, These filters are ideal for anyone who needs a clean and effective humidifier experience.
- 45 Water Panel Humidifier Filter Pad is High Quality : The 400 replacement filter is made of heavy-duty paper, reinforced with two layers of aluminum mesh. for optimal performance replace your compatible with AprilAire Whole-Home Humidifier Water Panel twice during the season.
- Easy to Install : The installation of the 45 humidifier filter is easy. Just remove the old filter and place the brand new filter in its original position. in addition you feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions.
Last update on 2025-07-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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We provide an Aprilaire 400 Replacement Filter 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 Aprilaire 400 Replacement Filter currently available on the market.
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- Specifications: How powerful they are can be measured.
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Aprilaire 400 Replacement Filter.
- Product Quality: You don’t always get what you pay for with an Aprilaire 400 Replacement Filter, sometimes less, and sometimes more.
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We always remember that maintaining Aprilaire 400 Replacement Filter 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 Aprilaire 400 Replacement Filter 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: Is the Aprilaire Model 400 a drainless humidifier?
A: The Aprilaire Model 400 Humidifier is the solution for you. The Model 400 is a drainless humidifier, featuring evaporative technology to minimize water use. Gravity pulls water down, while the wicking action of the Water Panel® draws it back to the top, using 100% of the water delivered to the unit.
Q: What kind of filters do Aprilaire air cleaners use?
A: We also carry Aprilaire filters compatible with the following Aprilaire Air Cleaner models: Aprilaire filters use a material that is electrostatically charged to capture impurities and allergens in the air, like mold, pollen, bacteria, fungi, dust, pet dander, tobacco smoke, smog, and viruses.
Q: How does an Aprilaire humidifier help your health?
A: HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain the optimal humidity in your home between 40% – 60% minimizing the formation of bacteria, dust mites, fungi, and viruses. This helps reduce the incidence of respiratory infections and symptoms related to allergies and asthma.
Q: Where are ClearChoice fridge and AirX filters made?
A: Our ClearChoice fridge and AirX filters are made in our factory and headquarters here in Indiana, with great attention to quality. Don’t settle for poorly-made Chinese knock offs. Filters are not just replacement parts, they are the water and the air that our families drink and breathe. but we know there’s nothing in your cart.
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