20" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 18 5/8"] w16h16 Do not measure the overall

Do not measure the overall size of the register itself

Powder-coat finish – smooth

Premium Airflow Efficiency - High-performance cube core eggcrate design allows 95% airflow efficiency

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

Our grilles feature a durable powder-coat finish

20" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 18 5/8"] w16h16 Do not measure the overall+ Product Details Size 20"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 18 5 8" height Actual Filter Size 19 3 4"w x 15 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.