6" Round Return Air Vent Grille With Sponge Gasket And Mounting Frame - HVAC Vent Duct Register Cover [Outer Dimensions: 8"] w25h25 /* Darker color for better Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

/* Darker color for better readability */ } ul { margin-bottom: 15px

+ Product Details Size – 36"w X 16"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 33

+ Product Details Size - 6"w X 20"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 19

6" Round Return Air Vent Grille With Sponge Gasket And Mounting Frame HVAC Vent Duct Register Cover [Outer Dimensions: 8"] w25h25 * Darker color for better Compatible With Duct 7in Applications This sheet metal DDAG A 1212 * Darker color for better readability * } ul { margin bottom: 15px + Product Details Size – 36"w X 16"h is the size for the duct opening measurement only