24" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 36 5/8"] fixed bar Actual Filter Size – 25

Actual Filter Size – 25 3/4"w x 17 3/4" x 1"

Design – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%

+ Product Details Size - 18"w X 20"h is the size for the duct opening measurement only

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this floor register seamlessly combines durability and design

24" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 36 5/8"] fixed bar Actual Filter Size – 25+ Product Details Size 24"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 14 5 8" height Actual Filter Size 23 3 4"w x 33 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.