34"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 23.75"h] Copper Coil actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 12 5/8" width X 18 5/8" height

rattle free airflow for your air-conditioning and heating system as well as smooth opening and closing back dampers

+ Product Details Size – 14" x 20" or 20" x 14" is the size for the duct opening measurement only

+ Product Details Size – 12"w X 28"h is the size for the duct opening measurement only

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34"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 35.75"w x 23.75"h] Copper Coil actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 12 5 8" width X 18 5 8" height rattle free airflow for your air conditioning and heating system as well as smooth opening and closing back dampers