Straight Register Boot - 12" X 6" X 6" Round Aluminum Bar + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 20"w X 6"h X 2"d (for duct opening measurement only)

Follow the manual’s instructions for cleaning the internal components if required

actual front end outer dimensions are approximately 20 5/8" width X 14 5/8" height

Equipped with a locking eight-tumbler key system

High Quality – Solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

Straight Register Boot 12" X 6" X 6" Round Aluminum Bar + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 20"w X 6"h X 2"d (for duct opening measurement only) Follow the manual’s instructions for cleaning the internal components if required