Metal mesh replacement humidifier filter fits Aprilaire furnace mount humidifier models 110, 220, 550, 550A, 558.
Replaces original Aprilaire part number 10.
The filter is also industry defined as a water panel, water evaporator pad, or media filter, and is sometimes noted as being manufactured by April Aire, Aprilair, or April Air.
Will also fit the following models: Lasko Furnace Humidifier model 5000L. Honeywell Furnace Humidifier models HE220A, HE220B, HE225A, HE225B. Lennox Furnace Humidifier model WB2-12, WB212.
Measurements: 9 1/2" x 9 3/8" x 1 7/8"