Antimicrobially Treated by MicroFree to prevent growth and migration of mold, fungus, algae, and bacteria.

Replace your filter every 4-6 weeks for best performance and comfort

Fits Holmes Humidifier Models: HM1200, HM-1200, HM1250, HM-1250, HM1200TPK1

Holmes Replacement Humidifier Part Numbers: HWF23, HWF-23, HWF23-CS, HWF-23CS
RPS BestAir Replacement Part Numbers: H23, H-23

Approx. Measurements: 6-3/4" L X 1" W X 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.