30" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 22" or 22" x 8" duct opening (measured at the opening)

Actual Filter Size – 7 3/4"w x 19 3/4" x 1"

5" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size – 18"w X 10"h is the size for the duct opening measurement only

the T-Bar vent covers

30" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Perfect Fit & Easy Sizing Designed for a 8" x 22" or 22" x 8" duct opening (measured at the opening) Actual Filter Size – 7 3 4"w x 19 3 4" x 1"