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 Actual Filter Size – 25

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

Actual Filter Size – 24 3/4"w x 35 3/4" x 1"

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

When you're ready for a decor upgrade

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 Actual Filter Size – 25+ 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