Aerostar 18X20X1 MERV 11 Air Filter, 6 Count, ACTUAL SIZE (17.50 X 19.50 X 0.75)
They also improve the efficiency of your HVAC unit and therefore reduce maintenance and utility costs, by removing dirt and reducing strain on the motor. Compatible with furnaces and AC units. Unit Count 6.0 Count.
18X20X1 MERV 11 – 6 Count – Pleated HVAC, Furnace & Air Conditioner Filters – Re
They also improve the efficiency of your HVAC unit and therefore reduce maintenance and utility costs, by removing dirt and reducing strain on the motor. Compatible with furnaces and AC units. Compatible Devices Air Conditioner, Furnace.