Compatible with: for ReliOn Humidifier model RCM-832 and RCM-832N. HIGH QUALITY AIR FILTER - that can replace your humidifier filter. Get back to having a to breathe again. HEALTHIER LIFESTYLE! - Top Filter for air Humidifier High quality to prevent the release of limestone, and germs and fungi in the air Safe and Clean Humidifier Filter. EASY TO INSTALL - so you can get back to cleaning as soon as possible! Simply remove your old filter and put this brand new one in it's place.Replaces #WF813 Filters. Keep Clean - treatment helps prevent the growth and migration of mold, and on the filter.Removes minerals and pollutants from water.Replacement Filter is an perfect replacement for natural cool moisture humidifiers and will greatly assist in the removal of minerals and pollutants from the water.Replace filter every 2 to 4 weeks or as needed. Colour:White Material:filter cotton Package Contents: 9 * humidifier filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.