20" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 24 5/8"] fixed bar Actual Filter Size – 17

Actual Filter Size – 17 3/4"w x 15 3/4" x 1"

High Quality – Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control

actual front end outer dimensions are approximately 20 5/8" width X 10 5/8" height

Powder-Coat Finish – smooth

Produced in accordance with ISO 9001-2008 Quality Management System

20" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 24 5/8"] fixed bar Actual Filter Size – 17+ Product Details Size 20"w X 22"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 24 5 8" height Actual Filter Size 19 3 4"w x 21 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.