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DUCT KEY DAMPER 6IN           CAP RAIN SHANTY 5IN GALV STEEL DUCT KEY DAMPER 4IN
Use to adjust and balance airflow in individual runs of round pipe. Imperial Rain Cap, Square, 30 ga Thick, 5 in Dia, Galvanized Steel Use to adjust and balance airflow in individual runs of round pipe.
DAMPER BUTTERFLY GLV 4IN      CAP RAIN SHANTY 6IN GALV STEEL DUCT KEY DAMPER 5IN
Imperial Butterfly Damper, Galvanized, 4 in Dia Imperial Rain Cap, Round, 30 ga Thick, 6 in Dia, Galvanized Steel, For: Single Wall Pipe Use to adjust and balance airflow in individual runs of round pipe.
CAP RAIN SHANTY 7IN GALV STEEL DAMPER BUTTERFLY GLV 6IN      CAP RAIN MTL SCRN GLV 30GA 3IN
Imperial Rain Cap, Round, 30 ga Thick, 7 in Dia, Galvanized Steel, For: Single Wall Pipe Imperial Butterfly Damper, Galvanized, 6 in Dia Imperial Rain Cap with Arrestor, 30 ga, Galvanized Steel, 3 in Dia
CAP RAIN SHANTY GALV STEEL 8IN CAP RAIN MTL SCRN GLV 30GA 4IN CAP RAIN MTL SCRN GLV 30GA 5IN
Imperial Rain Cap, Square, 30 ga Thick, 8 in Dia, Galvanized Steel Imperial Rain Cap with Arrestor, 30 ga, Galvanized Steel, 4 in Dia Imperial Rain Cap with Arrestor, 30 ga, Galvanized Steel, 5 in Dia
CAP RAIN MTL SCRN GLV 30GA 6IN GV0599 7IN SPARK ARRESTER     GV0600 8IN SPARK ARRESTER
Imperial Rain Cap with Arrestor, 30 ga, Galvanized Steel, 6 in Dia Imperial Rain Cap with Arrestor, Round Shape, 30 ga Thickness, 8 in Length, 12-1/4 in Width, 7 in Diameter, Steel, Galvanized Imperial Rain Cap with Arrestor, 30 ga Thick, 8 in Dia, Galvanized Steel
DAMPER VOLUME WITH SLEEVE 5IN DAMPER VOLUME WITH SLEEVE 4IN DAMPER VOLUME WITH SLEEVE 6IN
Imperial Volume Damper with Sleeve, Galvanized, 5 in Dia Imperial Volume Damper with Sleeve, Galvanized, 4 in Dia Imperial Volume Damper with Sleeve, Galvanized, 6 in Dia