AprilAire 45 Water Panel Humidifier Filter Replacement for AprilAire Whole-House Humidifier Models 400, 400A, 400M (Pack of 10)
AprilAire 45 Water Panel Humidifier Filter Replacement for AprilAire Whole-House Humidifier Models 400, 400A, 400M (Pack of 10)
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30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
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✔ Delivery time: 3–7 business days
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About This
- 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 coated aluminum mesh
- FOR OPTIMAL PERFORMANCE replace your genuine AprilAire Whole-Home Humidifier Water Panel twice during the season - this 10-pack offers convenience for contractors, homes that change their water panel more frequently, or homeowners with multiple furnace humidifiers to maintain
- MAXIMIZE HEALTHY HUMIDITY - 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
- HEALTHY AIR APP COMPATIBLE - This AprilAire Water Panel is compatible with the AprilAire Healthy Air App! The Healthy Air App features water panel replacement reminders, plus educational content about maintaining the perfect humidity levels in your home, and information on outdoor air quality in your area.
Overview
- Brand : Aprilaire
- Special Feature : Anti-Microbial Coating
- Color : White
- Capacity : 17 G/day
- Operation Mode : Evaporative

Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
👉 Softer skin and smoother hair with every shower.
👉 Prevent scale buildup and keep your appliances running efficiently.
👉 Softer, brighter clothes that last longer with every wash.
See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
Feel the difference in every drop — from your kitchen to your shower.
FAQ
Water Filtration & Home Water Guide