Aprilaire 440 Humidifier Filter Pad, 6 Pack

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.

• Replace your filter every 4-6 weeks for best performance and comfort
• Approx. Measurements: 14 3/4" x 1 5/8" x 11 3/8"
• Includes: 6 Filters

Fits Humidifier Models: 440

Aprilaire Replacement Humidifier Part Numbers: 12

RPS BestAir Replacement Part Numbers: A12

Please Note:
These Filters are Replacements Manufactured by Best Air RPS Products. Fit and Function are Backed With a 30-day Money Back Guarantee.