36"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 11.75"H] Aluminum Design – Removable face for

Design – Removable face for cleaning and access to damper - wooden damper for airflow shutoff control

12"w X 4"h Is The Size For The Duct Opening Measurement Only

polished brass

+ Product Details Size - 36"w X 30"h is the size for the duct opening measurement only

+ Product Spec Sheet

36"W X 10"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 11.75"H] Aluminum Design – Removable face for+ Product Details Size 36"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 75" width X 11. 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