Lot of Five Filters. Keep your air clean and moist with the BestAir HW500 Humidifier Replacement Wick Filter. In addition to its high-quality materials and design, this filter is treated with vitamin C to provide the best possible air quality. With its evaporative humidification method, the BestAir HW500 Humidifier Replacement Wick Filter is a must-have for any home or office.

This replacement filter fits:

Honeywell HCM-300T, 310T, 315T, 330T, 350, 350B, 530, 535-20, 540, 550-19, 550, 551, 560, 630, 631, 632, 632TG, 635, 640BW, 645, 646, 650, 710, ECM-250i, ECM-500, HCM-350 Series, HCM-540 Series, HCM-1000 Series, HCM-2000 Series (HAC504)

Kaz 3020

Vicks V3100, V3500, V3500N, V3600, V3700, V3800, V3850, V3850JUV, V3900

ReliOn RH1300, WA-8D (WF2)

Sunbeam 1118, 1119, 1120

Environizer 63-1508

Robitussin DH835