18" GALVANIZED SHEET METAL EXTENDED STARTING COLLAR(0)No Reviews yet Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: 05500-02172 Details 18" Diameter 26 Gauge G30/G40 Hot Dip Galvanized Steel Long Starting Sheet Metal Duct Collar without Damper Details Back Details18" Diameter 26 Gauge G30/G40 Hot Dip Galvanized Steel Long Starting Sheet Metal Duct Collar without Damper Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review