MV3 Standard 3-way grille/damper/box (4946-3way)
Plastic air diffusers and grilles for residential or light commercial applications. Rough opening in ceiling should be 9-1/4" round. OD of square:11-1/4" and OD of round is 12-1/2". Included is a built in Air Damper to restrict air flow when desired.
A unique plastic ceiling diffuser which incorporates an integral ceiling box. Intended for residential and light commercial applications, these products are currently available in 11-1/2"” x 11-1/2” 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.