Patented Envirosept Electronic Air Cleaner: Air Filter Panel and 14 Air Filter Collector Pads. This Size Envirosept Whole House Air Cleaner Replaces Standard 18 Inch by 24 Inch Filter that Fits a One Inch Filter Slot. Actual filter size is 17.5 in. x 23.5 in. The EnviroSept Electronic Furnace Panel Furnace Filter Air Cleaner is […]

Patented Envirosept Electronic Air Cleaner: Air Filter Panel and 14 Air Filter Collector Pads. This Size Envirosept Whole House Air Cleaner Replaces 20 Inch by 24 Inch Filter that Fits a One Inch Filter Slot. Actual filter size is 19.5 in. x 23.5 in. The EnviroSept Electronic Furnace Panel Furnace Filter Air Cleaner is the […]