Fits checked Oct 1, 2026 · How we check
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AprilAire · humidifier filter

AprilAire HydroCore HYDROL

AprilAire HYDROL HydroCore Water Panel Cartridge. Part HYDROL. Replace every 12 months. Fits 2 models and their listed variants.

Buy HydroCore HYDROL on AmazonManufacturer page

Opens an Amazon search for AprilAire HydroCore HYDROL. Check the listing says HYDROL.

Fits these models

Part numbers

Genuine part
HYDROL
How often
Replace every 12 months
What is in it
one-piece pre-assembled water panel cartridge (plastic frame, aluminum)
Size
16 x 3.57 x 10.75 in (actual)

Sources

  • Which filter fits shop.aprilaire.com Maker's own page checked Oct 1, 2026
    AprilAire HYDROL HydroCore™ Water Panel Cartridge For 620A, 620M, 720A and 720M Whole-House Humidifiers ... Compatible Models: 620A, 620M, 620AK, 620AKZ, 720A, 720M, 720AKZ, 720MKZ
  • How many shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the 620A (per its URL): INCLUDED IN THE BOX: 620 Humidifier ... HYDROL L HydroCore ...; 'one-piece disposable HydroCore™ water panel cartridge'
  • How often shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Replace the HydroCore™ every 12 months to ensure the performance and longevity of your AprilAire 620 or 720 Humidifier
  • Size shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Materials: Plastic, Aluminum Actual Measurements: 16H x 3.57W x 10.75D (inches)
Show all 8 sources

Which filter fits

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    AprilAire HYDROL HydroCore™ Water Panel Cartridge For 620A, 620M, 720A and 720M Whole-House Humidifiers ... Compatible Models: 620A, 620M, 620AK, 620AKZ, 720A, 720M, 720AKZ, 720MKZ
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    AprilAire HYDROL HydroCore™ Water Panel Cartridge
  3. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the 620A (per its URL): INCLUDED IN THE BOX: 620 Humidifier 60 Automatic Digital Control HYDROL L HydroCore
  4. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the 720A (per its URL): INCLUDED IN THE BOX: 720 Humidifier 60 Automatic Digital Control HYDROL L HydroCore

How many

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the 620A (per its URL): INCLUDED IN THE BOX: 620 Humidifier ... HYDROL L HydroCore ...; 'one-piece disposable HydroCore™ water panel cartridge'
  2. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Page for the 720A (per its URL): INCLUDED IN THE BOX: 720 Humidifier ... HYDROL L HydroCore ...; 'one-piece disposable HydroCore™ water panel cartridge'

How often

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Replace the HydroCore™ every 12 months to ensure the performance and longevity of your AprilAire 620 or 720 Humidifier

Size

  1. shop.aprilaire.com Maker's own page checked Oct 1, 2026
    Materials: Plastic, Aluminum Actual Measurements: 16H x 3.57W x 10.75D (inches)