14"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 15.875"W X 21.875"H] Compatible with Duct 10" with actual outer dimensions of

with actual outer dimensions of 18

Actual Filter Size – 9 3/4"w x 13 3/4" x 1"

+ Product Details Size - 14"w X 18"h X 2"d (for duct opening measurement only)

the second number represents the width

14"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 15.875"W X 21.875"H] Compatible with Duct 10" with actual outer dimensions of+ Product Details Size 14"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 875" width X 21. 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