24" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 18 5/8"] steel + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 28"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 14"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 6"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 22"w X 29"h is the size for the duct opening measurement only

4" X 12" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

24" X 16" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 26 5 8" X 18 5 8"] steel + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 28"w X 8"h is the size for the duct opening measurement only + Product Details Size 14"w X 12"h is the size for the duct opening measurement only