36" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Brazing Solder Rods + Product Details Perfect Fit 8 Feet Long Quality Packaging carefully packaged RG1620AL

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 26" OR 26" x 22" duct opening (measured at the opening)

+ Product Details Size – 30" x 36" or 36" x 30" is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 6" duct openings

+ Product Details Size & Compatibilty - The 14" to 10" round metal pipe reducer & increaser 30 gauge is compatible with duct 14" to 10"

this air supply register is ideal for sidewall and ceiling applications

36" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER EASY AIRFLOW LINEAR BAR GRILLES Brazing Solder Rods + Product Details Perfect Fit 8 Feet Long Quality Packaging carefully packaged RG1620AL + Product Details Perfect Fit & Easy Sizing Designed for a 22" x 26" OR 26" x 22" duct opening (measured at the opening) + Product Details Size – 30" x 36" or 36" x 30" is the size for the duct opening measurement only