18" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES tool bag + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 20"w X 22"h is the size for the duct opening measurement only

+ Product Details Size - 6"w X 6"h is the size for the duct opening measurement only

compatible with duct 6" | 10 PACK of 2' pipe - 20-foot length when connected– 30 gauge thick & made of thick & durable galvanized sheet metal

Effortless Ordering: With our QR Ordering system

} + Product Details Size & Compatibility - The size of a boot register end is 12" X 6" X 7" galvanized floor boot end center 26-gauge

18" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER EASY AIRFLOW LINEAR BAR GRILLES tool bag + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 20"w X 22"h is the size for the duct opening measurement only + Product Details Size 6"w X 6"h is the size for the duct opening measurement only