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

Includes 12 Packages Filters for a total of 24 filters.  Each package contains 2 filters.

Fits Humidifier Models:  C22, C-22, C33, C-33, W2, W-2, W25, W-25, W2S, W-2S, W6, W-6, W6S, W-6S, W7, W-7, W9, W-9, W9S, W-9S, W9H, W-9H, W0210, W-0210, W0210s, W-0210s, W0305, W-0305, W0310, W-0310, W3040, W-3040, WC0840, WC-0840, WC2845, WC-2845, 295

Bionaire Replacement Humidifier Part Numbers: 900

RPS BestAir Replacement Part Numbers: CBW9

Approx. Measurements: 7-1/4" L X 2-3/4" W X 9-1/4" H

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