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Aprilaire 45-400 Humidifier Panel Filter 2-Pack

Aprilaire 45

Aprilaire 45-400 Humidifier Panel Filter 2-Pack
Only $11.50 per filter
as low as $22.99 /ea
Retail: $29.99 /ea
You Save: 23%
Buy 1 - 2 for $24.99 ea.
Buy 3+ for $22.99 ea.
As low as
Retail: $29.99
You Save: 17%

in stock
Ships by Tomorrow 12/19/2018
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

" Thank you for your expert service when helping me get the proper filters for my old pool and filter system. The new ones are perfect and work very well. All the best! " - Jim, Alamo, CA
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