Live Chat
Filters Fast Logo Header
bbb A+ site secured
Free Shipping on orders over $85

Product Availability

Please provide your e-mail address below to receive a notification when this product becomes available:


Thanks! We'll send you a notification when this product is available!

Aprilaire 45-400 Humidifier Panel Filter 2-Pack

Aprilaire 45

Aprilaire 45-400 Humidifier Panel Filter 2-Pack
Only $14.00 per filter
as low as $27.99 /ea
Retail: $39.99 /ea
You Save: 30%
Buy 1 - 2 for $29.99 ea.
Buy 3+ for $27.99 ea.
As low as
Retail: $39.99
You Save: 25%

in stock
Ships by Tomorrow 10/14/2019
Sign up for the Home Filter Club during checkout.
You Choose how often you want your filter, and we take care of the rest.
Product Information

Never run out of filters during the season with the Aprilaire 45 replacement cool mist humidifier water panel comes in a convenient 2-pack. The Aprilaire humidifier pad is the key component for generating humidity in your Aprilaire 400 humidifier system. The paper filter media absorbs water from the tray while a fan pushes air across the material. This causes air to pick up moisture where it then moves around the room. for optimal performance replace your filters at least 2 times a season.

Aprilaire 45 Specifications:

  • Part Number: Aprilaire 45
  • Service Life: 2-6 months
  • Includes: (2) water panel evaporators
  • Dimensions: 10"x12-3/4"x1-3/4"
  • These are genuine factory replacement Aprilaire 400 evaporator water panel humidifier filters, also known as Aprilaire 45 water panel filters and April Air 45 filters.

The Aprilaire 45 is the correct replacement water panel evaporator for the following humidifier models:


  • 400
  • 400A
  • 400M

" Yes, my order was delivered...Real Quick! I love your company and the prompt service. Thanks! " - Jeryl, Winfield, IA
Terms of Use | Privacy Policy ©2005-2019 Filters Fast LLC - All Rights Reserved