20" X 6" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 8 5/8"] Color_White Actual Filter Size – 23 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Actual Filter Size – 23 3/4"w x 17 3/4" x 1"

actual front end outer dimensions are approximately 16 5/8" width X 28 5/8" height

+ Product Details Size – 14"w X 10"h is the size for the duct opening measurement only

+ Product Details Size – 25"w X 32"h is the size for the duct opening measurement only

our Circular Air Supply Valves are ideal for low and medium pressure ventilation air conditioning systems

20" X 6" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 22 5 8" X 8 5 8"] Color_White Actual Filter Size – 23 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 23 3 4"w x 17 3 4" x 1" actual front end outer dimensions are approximately 16 5 8" width X 28 5 8" height