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 97% of fine airborne particles

97% of fine airborne particles and irritants as small as 0

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

Enhanced Filtration: HEPA filter captures fine dust and particles to maintain optimal vacuum performance and improve indoor air quality

The pre-filter traps large particles like hair and lint

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

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 97% of fine airborne particlesAbout 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