AprilAire HYDROL HydroCore water panel cartridge (L)
verified 2026-10-13 Specs from AprilAire shop - HYDROL HydroCore Water Panel Cartridge. Also known as: hydrol, aprilaire hydrocore.
Specs
| category | humidifier water panel cartridge |
|---|---|
| replacement months | 12 |
| actual size (in) | 16 x 3.57 x 10.75 |
Fits
- humidifier pad AprilAire HydroCore L cartridge (HYDROL)
One-piece HydroCore water panel cartridge for the AprilAire 620 and 720 humidifiers.
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Good to know
- Not a flat water panel: the older 600/700 models take the #35 panel instead.
- AprilAire: replace the HydroCore every 12 months. A hard-water version (HYDRLH) is also sold.
What does the AprilAire HYDROL HydroCore water panel cartridge (L) work with?
2 models in the graph.
- AprilAire 720 Whole-House Humidifier (720A, 720M) OEM verified
720A ships with the HYDROL (L) HydroCore cartridge; it does not use the flat #35 panel. - AprilAire 620 Whole-House Humidifier (620A, 620M) verified
Informational only. Confirm with the manufacturer before buying or installing. Spotted a mistake? Report it.