Valterra A10-3352VP Rotating/Dampered Heating and A/C Register - 4" ID x 5-3/8" OD, Brown

The Valterra Air Vent With Damper is a circular ceiling register with a walnut finish and is made to accommodate a 4" flex duct. Simply turn the center knob to smoothly open and close the vents. 360 directional capabilities. Features: Tapered tube collar. Wide mounting flange. Free-flow vanes. Designed to accept all types of 4" flex ducts. Rotaire grille incorporates a unique worm drive damper for increased operational efficiency. Made from ABS plastic that allows heat to pass through without damaging vent. Color: Walnut Sold individually. Overall Diameter: 5-1/2". Tube collar depth: 2-1/8". Tube collar: 3-15/16". Weight: 1 lb. Limited 1-Year Manufacturer Warranty. Valterra Air Vent With Damper - Walnut - 4"