White Paper Water Pad A12W for Furnace Humidifier Water Panels features higher absorption and output while using up to 50% less water compared to traditional metal mesh filters. The water panel evaporator pad is the vital component of your furnace humidifier, which supplies clean and moist air promoting both a healthy and comfortable environment to live in. For best performace, change at least twice per season, depending on water conditions and frequency of use.

Equivalent Filters
Aprilaire: 12

Fits Models
Aprilaire Humidifiers: 112, 136, 224, 225, 440, 445, 445A, 448 (12)
Chippewa Humidifiers: 224, 225, 226
Walton Humidifiers: 600, 620, 660
Dynasty Humidifier: DCT596GCB

Approximate Dimensions: 14-3/4" x 11-3/8" x 1-5/8"