24" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 36 5/8"] 18" Round Duct Pipe much more than the required

much more than the required 700 psi for r410

Actual Filter Size – 11 3/4"w x 13 3/4" x 1"

text-align: left

actual front end outer dimensions are approximately 16 5/8" width X 28 5/8" height

Actual Filter Size – 24 3/4"w x 21 3/4" x 1"

24" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 36 5/8"] 18" Round Duct Pipe much more than the required+ 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.