16" X 16" [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 17.75"W X 17.75"H] Floor Grille + Product Details Size - 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
16" X 16" [Duct Opening] 1 Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 17.75"W X 17.75"H] Floor Grille + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 22"w X 34"h is the size for the duct opening measurement only + Product Details Size – 22"w X 30"h is the size for the duct opening measurement only