HAC-504 Humidifier Wicking Filters Compatible with Honeywell HAC-504 HAC-504AW HAC504V1 Filter A Fits HCM-350 HEV355 HCM-710 HCM-315 HEV312 HCM-300 HCM-500 HCM-700 HCM-1000 and morePLEASE USE CTRL+F TO FIND YOUR MODEL BELOW:MODELS:HCM-300 Series: HCM-300T, HCM-305T, HCM-305T-CST, HCM-310T, HCM-315T, HCM-350, HCM-350B, HCM-350B-CST, HCM-350W. HCM-450BCST.HCM-500 Series: HCM-530, HCM-535, HCM-535-20, HCM-540, HCM-550, HCM-550-19, HCM-551, HCM-560.HCM-600 Series: HCM-600, HCM-630, HCM-631, HCM-632, HCM-632TG, HCM-635, HCM-640BW, HCM-645, HCM-646, HCM-650.HCM-700 Series: HCM-710.HCM-1000 Series: HCM-1000, HCM-1000C, HCM-1010.HCM-2000 Series: HCM-2000C, HCM-2001, HCM-2002, HCM-2050,HCM-2051, HCM2052.HEV-300 Series:HEV-312, HEV-355.Part Number (P/N):Compatible with Honeywell HAC-504Compatible with Honeywell HAC-504AWCompatible with Honeywell HAC504V1Compatible with Honeywell Filter AFEATURES:1. The HAC-504 humidifier filter adopts imported absorbent long fiber, which can filter impurities and minerals in water, making humidification more pure, effectively purifying air, promoting indoor air circulation2. Blue pre-filter layer helps capture large airborne particles from the air that passes through the filter. with higher effectiveness and in less time3. BuilIt with premium matieral to keep the wick stand and sturdy4. The Most Suitable Fit For Compatible Humidifiers, It Is Easy To Install And Mounts Accurately On Your Humidifier Machine MaximumPackage Contains 4 x HAC-504 Humidifier Wicking Filters ReplacementWarm Tips:Please replace regularly to keep your machine fresh and clean. We recommend that you fill the humidifier tank with distilled water and replace filter at the beginning of each season or every 1-2 months depending on usage and hardness of water.NOTE>> This is not OEM products. Any brand names and logos are the registered trademarks of their respective owners. Any use of the brand name or model designation for this product is made solely for purposes of demonstrating compatibility.