UpStart Battery Replacement HWF64 Filter for Sunbeam, Holmes, White Westinghouse - Compatible with Sunbeam SCM1746, Holmes HWF64, HWF-64, B, HM1745, HM1746, HM2200, Sunbeam SCM1747, SF213 Replacement HWF64 filter for Sunbeam, Holmes, White Westinghouse, Hamilton Beach, Bionaire, Touch Point - Compatible with Sunbeam SCM1746, Holmes HWF64, Holmes HWF-64, Holmes "B", Holmes HM1745, Holmes HM1746, Holmes HM2200, Sunbeam SCM1747, Sunbeam SF213, White Westinghouse WWHM1645, Hamilton Beach 05520, Hamilton Beach 05521, Hamilton Beach 05920, Bionaire BCM1745, Holmes HM1645, Holmes HM1730, Holmes HM1750, Holmes HM1750GS, Holmes HM2220, Touch Point S30E, Touch Point S30E-A Replaces Holmes HWF64 Humidifier Filter Traps Water Impurities & Dissolved Solids Before They Become Airborne For best results, change air filter at least once per season or more often depending on air quality and use. Essential for Allergy Sufferers. On Sale for a Limited Time!