12"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 9.875"H] Material_Aluminum allowing unrestricted airflow for optimal

allowing unrestricted airflow for optimal HVAC performance

our Circular Air Supply Valves are ideal for low and medium pressure ventilation air conditioning systems

Designed with a ring base for flexible installation

Actual Filter Size – 25 3/4"w x 23 3/4" x 1"

75"H – fits a 16" X 16" duct opening

12"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 9.875"H] Material_Aluminum allowing unrestricted airflow for optimal+ Product Details Size 12"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 9. 875" height. High Quality High quality aluminum with counter sunk screw holes (screws included) and no sharp edges. Design Unrestricted airflow For Your HVAC system noise free components no vibrating louvers etc. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was