28"W X 25"H (Duct Opening) Return Air Steel Vent Grille - HVAC Vent Duct Cover Diffuser - (Outer Dimensions: 29.75"W X 26.75"H) Black Applications – The galvanized steel Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Applications – The galvanized steel round duct is used to cut into a plenum or rectangular duct to begin a trunk line or branch-like runs

Our straight register boot is made of high-quality galvanized steel metal for durability and rust prevention

Filter Size - 23

High Quality – Rigid aluminum construction with counter-sunk screw holes (screws included) and no sharp edges

/* Slightly darker color for better readability */ }

28"W X 25"H (Duct Opening) Return Air Steel Vent Grille HVAC Vent Duct Cover Diffuser (Outer Dimensions: 29.75"W X 26.75"H) Black Applications – The galvanized steel Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Applications – The galvanized steel round duct is used to cut into a plenum or rectangular duct to begin a trunk line or branch like runs Our straight register boot is made of high quality galvanized steel metal for durability and rust prevention