4 inch Rotary Brown Vent Grill with Damper, Valterra A10-3352VP

Description

D&W Inc 4 inch Rotary Vent Grill – 3840RWN

• Along with the best features of the Rotaire Grille, the Rotaire Register incorporates a unique worm-drive damper for increased operational efficiency. Just a quarter turn of the center knob opens or closes the vent wings smoothly.

• The Rotary Grille has an over-all diameter of 5-1/2′ Inch and is designed for

accepting all types of 4 Inch Flex Duct