12"W X 24"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 25.875"H] Filter Grille + Product Details Size -

+ Product Details Size - 18"w X 18"h X 2"d (for duct opening measurement only)

+ Product Details Size – 34"w X 6"h is the size for the duct opening measurement only

Actual Filter Size – 29 3/4"w x 15 3/4" x 1"

look no further than HVAC Premium HVAC Premium has sold over 5

+ Product Details Size - 20"w X 28"h X 2"d (for duct opening measurement only)

12"W X 24"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 25.875"H] Filter Grille + Product Details Size -+ Product Details Size 12"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 25. 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