34" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 20 5/8"] steel Design – Unrestricted airflow for

Design – Unrestricted airflow for your HVAC system - adjustable one-way louver with full horizontal airflow directional control - single deflection supply grill with 96% airflow - noise free components - no vibrating louvers etc

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

+ Product Details Size - 30"w X 32"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 26 5/8" width X 10 5/8" height

actual front end outer dimensions are approximately 16 5/8" width X 32 5/8" height

34" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 20 5/8"] steel Design – Unrestricted airflow for+ Product Details Size 34"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 36 5 8" width X 20 5 8" height Actual Filter Size 33 3 4"w x 17 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.