Heavy Duty Brown Steel Floor Return Air Grille, 20

Faceplate dimensions measure 21 13/16 x 21 13/16. The approximate thickness of the faceplate is 3/16 inch and drops into the hole opening approximately 3/4 inch. This 20 x 20 floor grille is the hard to find cold air return cover you need for heavy foot traffic areas in residential and commercial areas. The 20 x 20 floor grille is the size you need to cover your 20 x 20 inch floor opening. The outside dimension of this cold air return cover is 21 13/16 x 21 13/16. This medium tan cold air return cover features a sturdy, smooth surface which averages a 75% air flow free area. The all steel construction of this metal vent will give you the commercial-grade strength and performance you need. Safe in areas where there is heavy foot traffic.