Aprilaire 550A Humidifier Filter Replacement pad.
- High output replacement humidifier filter
- Filter has up to 50 percent higher output over traditional metal mesh filters.
- For best performance, change at least twice per season
- The filter is also industry defined as a water panel, water evaporator pad, or media filter
Includes: 12 Filters
Fits Aprilaire 550A Humidifier
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.