30" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 34 5/8"] 6" Diameter Actual Filter Size – 15 14" Round Duct Pipe For 10 duct opening FR M 414 White

Actual Filter Size – 15 3/4"w x 25 3/4" x 1"

+ Product Description Upgrade your HVAC system with our 6" Round Air Vent Supply Grille

+ Product Details Size - 10"w X 28"h is the size for the duct opening measurement only

+ Product Details Size – 24"w X 36"h is the size for the duct opening measurement only

30" X 32" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 32 5 8" X 34 5 8"] 6" Diameter Actual Filter Size – 15 14" Round Duct Pipe For 10 duct opening FR M 414 White Actual Filter Size – 15 3 4"w x 25 3 4" x 1" + Product Description Upgrade your HVAC system with our 6" Round Air Vent Supply Grille