Humidifier Filters For Honeywell HAC-504 Honeywell HCM-600， HCM-710， HCM-300T &amp; HCM-315T. Compare to Part # HAC-504AW， HCM-350，HCM-631， HCM-630， Honeywell HCM-300， Enviracaire ECM-250i<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Fits Honeywell Models: HCM-1000 Series: HCM-1000C， HCM-1010， HCM-2000 Series: HCM-2000C， HCM-2001， HCM-2002， HCM-2020， HCM-2050， HCM-315T， HCM-350， HEV-312， HEV-355，HCM-500 Series: HCM-530， HCM-535， HCM-540， HCM-550， HCM-560， HCM-551，HCM-600 Series: HCM-630， HCM-631， HCM-635， HCM-645，HCM-650，HCM-710， HCM-300 Series: HCM-300T， HCM-315T， HCM-350， Enviracaire Model: ECM-250i</li><li>Protects treated filter inhibits up to 99% of mold growth.</li><li>Antimicrobial treatment helps prevent the growth and migration of mold， fungus and bacteria on the filter.</li><li>Replacement Filter is an ideal replacement for natural cool moisture humidifiers and will greatly assist in the removal of minerals and pollutants from the water</li><li>Note that this is an aftermarket replacement humidifier wick filter manufactured specifically by ECO_MAID(TM) for high quality allergen protection. Any humidifier manufacturer brand name is used solely for the purpose of demonstrating compatibility.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51FnwdcTNYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5153SJ2Fg9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51oQHxYItNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IdpOj%2BGEL.jpg" noproxy>