8" DuraVent DuraBlack Adjustable 90-Degree Elbow 8DBK-E90 This elbow offsets obstructions as needed. Elbows angles are now adjustable. Adjustable elbows are manufactured drip-free so creosote travels back to the stove as intended. 24-gauge strength Lock seams 18" clearance to combustibles Painted black Single-wall interior stove pipe for connecting wood stoves to manufactured chimney Economical and drip-free connection No need for cutting or crimping