1'x1' Square Standard 4-way grille/damper/boxSKU#: 4946W-4way
4 way throw. A unique plastic ceiling diffuser which incorporates an integral ceiling box. Intended for residential and light commercial applications, these products are currently available in 11-1/4" x 11-1/4” square and 12-1/2" diameter round. They provide maximum convenience and timesaving as they are designed for easy installation by one man only working from below the ceiling. Included is a built in Air Damper to restrict air flow when desired. ZIP TIE INCLUDED. Used for a 4",6" or 8" duct.