28" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 18 5/8"] flat stamped steel actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 20 5/8" height

Actual Filter Size – 11 3/4"w x 5 3/4" x 1"

actual front end outer dimensions are approximately 26 5/8" width X 28 5/8" height

4" X 14" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

Actual Filter Size – 11 3/4"w x 19 3/4" x 1"

28" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 18 5/8"] flat stamped steel actual front end outer dimensions+ Product Details Size 28"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 30 5 8" width X 18 5 8" height Actual Filter Size 27 3 4"w x 15 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.