16"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 17.875"W X 11.875"H] Compatible With Duct 8in + Product Details Size –

+ Product Details Size – 24" x 24" with 10" collar T-Bar drop ceiling perforated return grill - metal back casing

[Outer Dimensions: 26

875" width X 10" height

actual front end outer dimensions are approximately 24 5/8" width X 10 5/8" height

Actual Filter Size – 9 3/4"w x 11 3/4" x 1"

16"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 17.875"W X 11.875"H] Compatible With Duct 8in + Product Details Size –+ Product Details Size 16"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 875" width X 11. 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