AIR FILTER that can replace your humidifier filter Get back to having a clean air to breathe again. HEALTHIER LIFESTYLE! Top Filter for Humidifier to prevent the release of limestone, bacteria 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 one in it's place. Keep CleanAntimicrobial treatment helps prevent the growth and migration of mold, fungus and bacteria 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 weeks. Colour: white Material: composite material Package Contents: 4 x Humidifier Filter 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.