Three-Way Plastic Side Wall/Ceiling Register in White 14"w X 6"h for Duct Opening (Outside Dimension is 15.75"w X 8"h)

The Listed size 14"x 6" is for inside duct opening measurement(the duct hole), actual outside dimension is 16" X 8" All plastic construction with 1/2" fin spacing for high air flow with rust proof feature perfect for areas with high moisture Three way air deflection design with bright white face and black damper in the back Multi-shutter damper with easy handle to adjust desired amount of air flow Two screw holes on each side with two screws included This plastic sidewall/ceiling register is made of ABS plastic in bright white. It has built-in damper to control air flow. There are two screw holes on each side of the register to fix on the surface of wall or ceiling. The listed size 14"w X 6"h is for duct opening measurement only. Actual outside overall dimensions is 16" wide by 8" high. Difference between "inside" and "outside": Inside (duct opening) is the measurement you can see after taking the vent off the wall or ceiling. "outside" measurement is the surface you can see after th