8"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 9.75"W X 19.75"H] 2-Way + Product Details Size –

+ Product Details Size – 34"w X 20"h is the size for the duct opening measurement only

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

This fantastic access door covers wire panels

+ Product Description Discover the ultimate tool efficiency with HVAC Premium's Magnetic Wristband

10"w X 3"h Is The Size For The Duct Opening Measurement Only

8"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 9.75"W X 19.75"H] 2-Way + Product Details Size –+ Product Details Size 8"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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 waxed.