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AprilAire

AprilAire H445EZ1 Humidifier Filter/Water Panel Assembly Replacement Kit for AprilAire Whole-House Humidifier Models: 400, 400A, 400M (2-pack)

AprilAire H445EZ1 Humidifier Filter/Water Panel Assembly Replacement Kit for AprilAire Whole-House Humidifier Models: 400, 400A, 400M (2-pack)

Regular price $95.55 USD
Regular price Sale price $95.55 USD
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About This

  • Genuine AprilAire Replacement Filter: This water panel assembly replacement was designed and made in the USA by AprilAire to fit Whole-House Humidifier Models 400, 400A, and 400M
  • All-in-One Kit: No mess. No cleanup. Just fast, simple replacement of the water panel assembly to keep your AprilAire Whole-House Humidifier working like new. (Note: retain floats and float cover with each replacement.)
  • Healthy Humidity: By replacing the water panel assembly in your humidifier, you can enjoy the benefits of optimal humidity levels, including lower incidence of respiratory infections, minimized formation of bacteria and viruses, and preservation of household items susceptible to dry conditions
  • Perfect Fit: The water panel in this assembly measures 10" H x 13" L x 1.75" W for AprilAire Whole-House Humidifier Models 400, 400A, and 400M
  • Included: (2) Fully assembled replacement kits with 45 Water Panel, Scale Control Insert, and Water Distribution Tray
  • 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 : All-In-One Water Panel Assembly Replacement
  • Color : White
  • Capacity : 17 G/day
  • Operation Mode : Evaporative
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May 15, 2026
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May 8, 2026
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May 5, 2026

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Frequently Asked Questions

Our products are crafted with love and attention to detail, ensuring the highest quality for our customers.

We typically ship within 2–3 business days, and delivery usually takes 3–8 business days depending on your location. Some products may take longer to arrive. If there are any delays, we will notify you by email.

We offer a 30-day return policy for all unused items in their original packaging. Customer satisfaction is our priority!

We currently ship within the United States only. Unfortunately, we are unable to ship to other countries at this time.