6"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 35.75"H] 18in diameter HVAC Premium has been providing

HVAC Premium has been providing superior quality service for many years

Pressure rating: 2300 to 6500 psi

Exceptional Craftsmanship: Hand-inspected for quality

actual front end outer dimensions are 15

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6"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 35.75"H] 18in diameter HVAC Premium has been providing+ Product Details Size 6"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" width X 35. 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.