High output replacement humidifier filter fits Aprilaire furnace mount humidifier models 112, 136, 224, 440, 445, 445A, 448.
Filter has up to 50 percent higher output over traditional metal mesh filters. For best performance, change at least twice per season.
Contains an Antimicrobial Treatment by MicroFree to prevent growth and migration of mold, fungus, algae, and bacteria. Also features durable construction for maximum life and humidity output.
Replaces original Aprilaire part number 12.
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: Walton models 600, 620, 660, PFR660, PBR620, PFS-640.
Measurements: 15" x 1 5/8" x 11 3/8"
These Filters are Replacements Manufactured by Best Air RPS Products. Fit and Function are Backed With a 30-day Money Back Guarantee.