10"W X 4"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 11.6"W X 5.6"H] RV Mobile Home + Product Details Size - 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
10"W X 4"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.6"W X 5.6"H] RV Mobile Home + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 10"w X 36"h is the size for the duct opening measurement only Actual Filter Size – 33 3 4"w x 15 3 4" x 1"