12"W X 12"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 13.875"H] Material_Aluminum All steel wire is applied

All steel wire is applied between PET surfaces to prevent corrosion (oxidization)

this grille boasts a natural warmth and fine finish

The grille features counter-sunk screw holes that prevent paint from peeling during installation

Our innovative adjustable design changes the game

+ Product Details Size - 24"w X 30"h is the size for the duct opening measurement only

12"W X 12"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 13.875"H] Material_Aluminum All steel wire is applied+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 13. 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