36" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Supply Grille or commercial environments 4 X 12 Is CRFG2028 Width_14in

or commercial environments

+ Product Details Size – 4" round duct sheet metal elbow - 30 gauge galvanized - crimped end connection - adjustable from 5° - 90°

Design – This Long throat double oval stack head is designed to meet new high ceiling construction

Premium Quality – Made of galvanized metal to prevent corrosion

Design – The stick-on side take-off helps you in heating

36" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER EASY AIRFLOW LINEAR BAR GRILLES Supply Grille or commercial environments 4 X 12 Is CRFG2028 Width_14in or commercial environments + Product Details Size – 4" round duct sheet metal elbow 30 gauge galvanized crimped end connection adjustable from 5° 90°