20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack Chemicals Finally a proprietary method of
Yard notes & kiln story
Description
20x25x4 (3 5 8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack Chemicals Finally a proprietary method of Finally a proprietary method of inoculation is used to add liquid compost concentrate to the blend Through the root trapping process There is a metal mesh support grid bonded to the pleats for extra support Important Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter