12"W X 8"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 13.6"W X 9.6"H] Powder Coated + Product Details Size – Sheet Metal RG2016 FBA-HP actual front end outer

+ Product Details Size – 25"w X 18"h is the size for the duct opening measurement only

+ Product Description Enhance your HVAC system with our premium Aluminum Double Deflection Adjustable Air Supply Diffuser

Actual Filter Size – 24 3/4"w x 19 3/4" x 1"

actual front end outer dimensions are approximately 18 5/8" width X 38 5/8" height

+ Product Details Size - 14"w X 6"h is the size for the duct opening measurement only

12"W X 8"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 13.6"W X 9.6"H] Powder Coated + Product Details Size – Sheet Metal RG2016 FBA HP actual front end outer + Product Details Size – 25"w X 18"h is the size for the duct opening measurement only + Product Description Enhance your HVAC system with our premium Aluminum Double Deflection Adjustable Air Supply Diffuser