17x20x1 MERV 13 AC Furnace Filters 12 Pack eligible-for-discount The fan includes an in-line

The fan includes an in-line multi-speed controller with power switch to set the fan’s speed to optimal noise and airflow levels for various environments

The steel enclosure houses three dual-ball bearing blowers that pull heat out of the component and exhausts out the rear

This dual female

Unlike basic sediment filters

- 40'' filter bed

17x20x1 MERV 13 AC Furnace Filters 12 Pack eligible-for-discount The fan includes an in-lineNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200