30" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coat + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 8"w X 30"h X 2"d (for duct opening measurement only)

+ Product Details Size - 12"w X 12"h X 2"d (for duct opening measurement only)

high-impact clear plastic

actual front end outer dimensions are approximately 18 5/8" width X 27 5/8" height

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 10" duct openings

30" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder Coat + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 8"w X 30"h X 2"d (for duct opening measurement only) + Product Details Size 12"w X 12"h X 2"d (for duct opening measurement only)