6"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 19.75"H] RV Mobile Home 12"w X 4"h Is The

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

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

accordion-content')

+ Product Details Size - 36"w X 20"h is the size for the duct opening measurement only

6"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 19.75"H] RV Mobile Home 12"w X 4"h Is The+ Product Details Size 6"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 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 waxed.