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

Fits Toastmaster Humidifier Models:  3410, 3414, 3420, 3430, 3440

Toastmaster Replacement Humidifier Part Numbers: 999046, 4075

RPS BestAir Replacement Part Numbers: ED4

Approx. Measurements: 28" L X 3/4" W X 5" H X 20" Diameter

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