[Wide Compatibility] Compatible with for April Aire 110, 220, 500, 500A, 500M, 550, 550A, 558; Honeywell HC22P, HC22P1001, HE100, HE150, HE220, HE220A, HE220B, HE225A, HE225B, HE240; Len nox WB2-12 and WB2-12A, X2660; Las ko 5000L, 5000EC, 6000; Total line P110-SBP2212, P110-SBP2312, P110-SBP2412; Healthy Climate HCWB2-12, HCWB2-12A. Please confirm your humidifier cleaner model before ordering! [Efficient Humidifier Panels] Designed to maximize moisture output from the humidifier and by using a humidifier pad to replace worn or old filters, our ceramic-type humidifier water panel will make you feel more comfortable while also protecting items in your home that are susceptible to changes in humidity or dry conditions. [Easy Regular Replacement] Our for april aire 10 replacement filter is easy to be installed, you are supposed to remove the old filter and place the filter in its position, in addition you feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions. Colour:White Material:Wood pulp paper + hot melt adhesive Package Contents: 3 x Humidifier Filter