16" x 24" or 24" x 16" Cube Core Eggcrate Return Air Grille rg1010 Design – These are specially

Design – These are specially sized to fit into all drop ceilings

Air Flow – Ensure a quiet and smooth HVAC system with noise-free components

Installing the plaster frame is effortless – secure it into your sheetrock

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 6" duct openings

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 10" duct openings

16" x 24" or 24" x 16" Cube Core Eggcrate Return Air Grille rg1010 Design – These are specially+ Product Details Size 16" x 24" or 24" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" X 25. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing