Galvanized Ductboard Start Collars Ductboard Start Collars are used for connecting flex duct or sheet metal round pipe to ductboard. SKU DBC4 Product Details | Specifications | Check Inventory Please select 4"X1"DB COLLAR #01101004 5"X1"DB COLLAR #01101005 6"X1"DB COLLAR7"X1"DB COLLAR8"X1"DB COLLAR 9"X1"DB COLLAR10"X1"DB COLLAR12"X1"DB COLLAR14"X1"DB COLLAR16"X1"DB COLLAR #0110101618"X1"DB COLLAR #0110101820"X1"DB COLLAR #01101020 Log in to view price
