45 Water Panel Humidifier Filter Replacement for Aprilaire Models 400, 400A, 400M Part# 45 Replacement Filter Fits for Aprilaire 400 series by LifeSupplyUSA Packing Tape it promotes optimal water flow

it promotes optimal water flow and helps extend the life of your pool equipment

as well as harmful volatile organic compounds (VOCs)

ideal for those seeking simplicity and efficiency

letting dry before re-installing

This replacement cartridge pool filter fits FD2089 filters

45 Water Panel Humidifier Filter Replacement for Aprilaire Models 400, 400A, 400M Part# 45 Replacement Filter Fits for Aprilaire 400 series by LifeSupplyUSA Packing Tape it promotes optimal water flowAbout this item Compare to Aprilaire Part # 45. Fits furnace humidifier models 400, 400A, and 400M. Filters minerals and pollutants from water before they are fed into the air, and helps control dust dirt buildup inside humidifier. For optimum performance replace twice a year at the start and end of the heating season. Approx dimensions: 12. 9 x 10. 2 x 7. 7 inches. FEATURES Extensive Compatibility: Replacement water panel pad compatible with