Factory Fitted segregation barriers / dividers are available to suit your installation requirements. Accessories such as Bends, Tees, Offsets, Crosses, etc are available. The duct & accessories are manufactured from Galvabond® commercial forming steel. Other finishes such as Powder Coating and Stainless Steel can be made to order. The duct is manufactured in 10 standard sizes and other sizes can be made to order.