34"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 35.75"W X 19.75"H] Color_R-4.2 Yellow Measure the size of the

Measure the size of the air duct/drywall opening

This thoughtful design ensures optimal air circulation for your HVAC system

Actual Front End Outer Dimensions Are 3

actual front end outer dimensions are approximately 37

provides a modern look and quiet operation due to its half-inch by half-inch cube design

34"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 35.75"W X 19.75"H] Color_R-4.2 Yellow Measure the size of the+ Product Details Size 34"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 35. 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