High output replacement humidifier filter fits Aprilaire furnace mount humidifier models 110, 220, 550, 550A, 558.
Filter has up to 50 percent higher output over traditional metal mesh filters.
For best performance, change at least twice per season. 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:
Measurements: 9 1/2" x 9 3/8" x 1 7/8"
These Filters are Replacements Manufactured by Best Air RPS Products. Fit and Function are Backed With a 30-day Money Back Guarantee.