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: HM850, HM3400, HM3500, HM3501-U, HM3600, HM3640, HM3650, HM3655, HM-850, HM-3400, HM-3500, HM-3501-U, HM-3600, HM-3640, HM-3650, HM-3655, HM3656-U, HM3300, HM3607, HM3607, HM850, HSL5000, HM-3656-U
Holmes Replacement Humidifier Part Numbers: HWF75, HWF-75
RPS BestAir Replacement Part Numbers: H75, H75-C
Approx. Measurements: 7-5/8" L X 1-1/2" W X 14-1/8" H X 7-1/2" Diameter
These Filters are Replacements Manufactured by Best Air RPS Products. Fit and Function are Backed With a 30-day Money Back Guarantee.