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" Actual Filter Size – 9

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

Actual Front End Outer Dimensions Are 3

Horizontal blades in the front

the second number represents the width

With precise measurements and easy installation

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" Actual Filter Size – 9+ 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