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] 18" Round Duct Pipe Suitable for all AC applications

Suitable for all AC applications

5/8” - 2579 PSI

complete with a set of sponge gasket and mounting frame

75" width X 35

Width vs Height:

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] 18" Round Duct Pipe Suitable for all AC applications+ 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.