Holmes HAPF21-U4 Air Purifier Hepa Filter
Item #: HL-HAPF21
MPN #: HAPF21-U4
UPC #: 048894677045
Weight: 0.75 lbs
Holmes HAPF21-U4 HEPA filter. The Holmes HAPF21 Replacement Filter is the main HEPA filter in Holmes models HAP222, HAP221, HAP220, HAP223, and HAP2234. Also known as part number HAPF21CS. Filter should be replaced every 1-2 months for optimum performance. Price is for 1 filter.