30"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 13.75"H] w18h18 Do not measure the overall

Do not measure the overall size of the register itself

1-1/8” - 2334 PSI

2" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

4" X 12" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

30"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 13.75"H] w18h18 Do not measure the overall+ Product Details Size 30"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 75" width X 13. 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