Antimicriobially 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
Holmes Replacement Humidifier Part Numbers: HWF64, HWF-64, HWF64CS, HWF64-CS
Hamilton Beach and True Air Replacement Part Numbers: 05920
RPS BestAir Replacement Part Numbers: H64, H64-C
Approx. Measurements: 9" L X 1" W X 6-1/2" H X 5-1/2" Diameter
These Filters are Replacements Manufactured by Best Air RPS Products. Fit and Function are Backed With a 30-day Money Back Guarantee.