10"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 11.75"W X 21.75"H] Powder Coated and all locks open with

and all locks open with just one key

Our Galvanized Sheet Metal Duct Pipes are built to last

Actual Filter Size – 13 3/4"w x 17 3/4" x 1"

+ Product Details Size – 16" x 18" or 18" x 16" is the size for the duct opening measurement only

these snips effortlessly handle materials like tile

10"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 11.75"W X 21.75"H] Powder Coated and all locks open with+ Product Details Size 10"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 21. 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