36"W X 14"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 15.75"H] Aluminum + Product Details Size –

+ Product Details Size – 18" Wooden Corner Baseboard Grille

10" x 4" Floor Register HVAC Air Supply Grille - Heavy Duty Rigid Built - Plastic Never Rust Vent Duct Cover

This thoughtful design ensures optimal air circulation for your HVAC system

and the second number represents the height

but you will appreciate the benefits over the period of time

36"W X 14"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 15.75"H] Aluminum + Product Details Size –+ Product Details Size 36"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 75" width X 15. 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