24" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 16 5/8"] 10" Round Duct Pipe Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 15 3/4" x 1"

+ Product Description Protect your thermostat with the durable and tamper-proof Beige Metal Thermostat Guard

ensuring a sleek finish

and installation is quick and simple with the included screws

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 30" OR 30" x 20" duct opening (measured at the opening)

24" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 26 5/8" X 16 5/8"] 10" Round Duct Pipe Actual Filter Size – 13+ Product Details Size 24"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 16 5 8" height Actual Filter Size 23 3 4"w x 13 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.