32" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 24 5/8"] 18in diameter please note that the total 18" Round Duct Pipe Fixed 45 horizontal blades LO1810

please note that the total outer dimensions of the grille measure 7" in diameter

ensuring that you find the perfect fit for your ventilation needs

+ Product Details Size – 28"w X 22"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 8 5/8" height

Its polished pre-finish gloss varnish not only adds to its appeal but also ensures easy installation

32" X 22" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 34 5 8" X 24 5 8"] 18in diameter please note that the total 18" Round Duct Pipe Fixed 45 horizontal blades LO1810 please note that the total outer dimensions of the grille measure 7" in diameter ensuring that you find the perfect fit for your ventilation needs