28" X 36" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 30 5/8" X 38 5/8"] Powder-Coated + Product Details Size – Ducting Components RG2016 FBA-HP Applications The C box

+ Product Details Size – 34"w X 36"h is the size for the duct opening measurement only

Quality Packaging - Carefully Shrink Wrapped with Cardboard Backing to Prevent Damage in Shipment

actual front end outer dimensions are approximately 24 5/8" width X 26 5/8" height

actual front end outer dimensions are approximately 16 5/8" width X 14 5/8" height

actual front end outer dimensions are approximately 24 5/8" width X 27 5/8" height

28" X 36" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 30 5 8" X 38 5 8"] Powder Coated + Product Details Size – Ducting Components RG2016 FBA HP Applications The C box + Product Details Size – 34"w X 36"h is the size for the duct opening measurement only Quality Packaging Carefully Shrink Wrapped with Cardboard Backing to Prevent Damage in Shipment