12"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 19.75"H] 14in diameter + Product Details Size –

+ Product Details Size – Duct end cap is 30" X 8" | 26-gauge galvanized steel end cap

this access door delivers a seamless finish that sits flushed with the wall

+ Product Details Size - 22"w X 28"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are 17" Width X 17" Height

This 20" X 10" end cap is constructed with 26-gauge galvanized steel

12"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 19.75"H] 14in diameter + Product Details Size –+ Product Details Size 12"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 19. 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