Every forced air heating and air conditioning system requires a filter of some kind to protect the equipment. This filter rack connects to the return side of the furnace or air handler.
When a filter is installed in the rack, your equipment is protected from the damaging effects of large dust particles present in every home's air. For best heating and cooling system performance change your furnace or air handler filter every 1-2 months. This is a Sheet Metal return air filter rack for filter 20"x16"x 2" (MERV air filter 16" x 20" x 2" actual size: 15 1/2" x 191/2" x 1-3/4). Made in America from American made 24 Gauge Steel Galvanized Sheet Metal.There is a 3/4" hem flange on one 20"x16 end, and straight on other end. Actual overall dimensions flange side for this rack. The length is 6 long. There is a sliding door on the ___20___ side for filter access. The door can slide from ether side allowing for easy access. Assembly instruction: You Tube (return air filter rack). We are a complete sheet metal shop. Please check out my other auctions.