30"W X 16"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 17.75"H] Return Grille + Product Details Size -

+ Product Details Size - 20"w X 4"h is the size for the duct opening measurement only

These grilles and registers give you an extra measure of quality that are visible to your family members and house guests

angle them down for effective warmth distribution

rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included)

+ Product Details Size - 20"w X 16"h is the size for the duct opening measurement only

30"W X 16"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 31.75"W X 17.75"H] Return Grille + Product Details Size -+ Product Details Size 30"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 75" width X 17. 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