14" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 18" Diameter + Product Details Size – Suitable for all AC 8in diameter 12125SDCLNGBX

+ Product Details Size – 10" X 2" is the size for the duct opening (floor/vent hole) measurement only

+ Product Description Introducing the 3-coned supply grille for a T-bar lay-in

+ Product Details Size - 30"w X 16"h X 2"d (for duct opening measurement only)

Ideal for Walls & Ceilings: Designed for seamless installation in standard 8" X 8" duct openings

14" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER EASY AIRFLOW LINEAR BAR GRILLES 18" Diameter + Product Details Size – Suitable for all AC 8in diameter 12125SDCLNGBX + Product Details Size – 10" X 2" is the size for the duct opening (floor vent hole) measurement only + Product Description Introducing the 3 coned supply grille for a T bar lay in