14" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 16 5/8" X 16 5/8"] Fixed Blades actual front end outer dimensions RFG3024 Black HP const content item Hi-Lo Oval Stack Head

actual front end outer dimensions are approximately 32 5/8" width X 18 5/8" height -

+ Product Details Size - 20"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 10"w X 6"h is the size for the duct opening measurement only

+ Product Details Size – 16" x 20" or 20" x 16" is the size for the duct opening measurement only

these pipes offer easy handling

14" X 14" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 16 5 8" X 16 5 8"] Fixed Blades actual front end outer dimensions RFG3024 Black HP const content item Hi Lo Oval Stack Head actual front end outer dimensions are approximately 32 5 8" width X 18 5 8" height + Product Details Size 20"w X 30"h is the size for the duct opening measurement only