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Collar, Start Round 14" C - Small End
3/8" Threaded Rod
CARLISLE® Foil-Grip, Hardcast 309780 Rolled Duct Sealant, 100 ft L, 3 in W, Aluminum Bac...
Gray Metal Starting A Collar, 313SE Model, 14 in Duct, Round Vent Duct, 26 ga, Steel, Galvanized