16" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 26 5/8"] w32h32 actual front end outer dimensions Insulation Black Foam Tape Sheet Metal/Adjustable Elbow CRG1234

actual front end outer dimensions are approximately 12 5/8" width X 14 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 24" or 24" x 12" duct opening (measured at the opening)

actual front end outer dimensions are approximately 32 5/8" width X 20 5/8" height -

much more than the required 700 psi for r410

16" X 24" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 18 5 8" X 26 5 8"] w32h32 actual front end outer dimensions Insulation Black Foam Tape Sheet Metal Adjustable Elbow CRG1234 actual front end outer dimensions are approximately 12 5 8" width X 14 5 8" height + Product Details Perfect Fit & Easy Sizing Designed for a 12" x 24" or 24" x 12" duct opening (measured at the opening)