12"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 15.875"H] 12" Round Duct Pipe If your hole is 14"

If your hole is 14" wide by 20" tall

Conveniently taped together as a single piece

The integral multi-shutter damper with a convenient handle operator ensures that you can easily adjust the air volume

Actual Filter Size – 47 3/4"w x 23 3/4" x 1"

+ How To Measure A Grille Overall Size:

12"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 15.875"H] 12" Round Duct Pipe If your hole is 14"+ Product Details Size 12"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 15. 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