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 That’s why LifeSupplyUSA spa filter

That’s why LifeSupplyUSA spa filter cartridges for MSPA replacement filters are designed for hassle-free installation

Just sweep debris into the inlet mouth and dirt is whisked away

letting dry before re-installing

The pre-filter traps large particles like hair and lint

these professional-grade filters help protect your device while improving its purification efficiency

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 That’s why LifeSupplyUSA spa filterAbout 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