28"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 29.875"W X 9.875"H] white This grille is ideal for

This grille is ideal for both sidewall and ceiling installations

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 36" or 36" x 12" duct opening (measured at the opening)

actual front end outer dimensions are approximately 32 5/8" width X 8 5/8" height -

Actual Filter Size – 19 3/4"w x 13 3/4" x 1"

28"W X 8"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 29.875"W X 9.875"H] white This grille is ideal for+ Product Details Size 28"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 875" width X 9. 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