8"W X 25"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 9.75"W X 26.75"H] Height_24in Applications – The galvanized steel

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

+ Product Details Size – Adjustable sizes - 3/16" - 1" (5-25mm)

+Product Details Size – 4"h x 10"w is the size for the duct opening measurement only

Design – These galvanized or stainless-steel elbows are mechanically bent

8"W X 25"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 9.75"W X 26.75"H] Height_24in Applications – The galvanized steel+ Product Details Size 8"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" width X 25. 75" height. Design Easy unrestricted airflow for your HVAC system 50 angled to provide maximum airflow. High Quality Solid stamped steel with counter sunk screw holes (screws included) and no sharp edges. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just waxed.