Metalbest 4DT-EL45B 4" Inner Diameter - Direct-Temp Direct Vent Pipe - Double Wall - 45 Degree Elbow Black Vent Pipe Direct

Metalbest 4DT-EL45B 4" Inner Diameter - Direct-Temp Direct Vent Pipe - Double Wall - 45 Degree Elbow When creating an offset in the chimney pipe system, calculate the offset to determine the elbow angle. This 45° elbow length creates a bend. When used with a corresponding 45° elbow, the system will continue vertically toward the ceiling with the appropriate offset. This fixed elbow rotates at the joint connection to properly align your installation.Direct-Temp system features stainless steel inner and heavy duty galvanized steel outer walls. Heavy duty centering brackets keep inner pipe centered and chamfered edges allow for easy slide-together assembly. The free-floating inner liner allows the pipe to expand and contract under high temperature, without creating gaps or stress points. The LockTab(r) is a unique design that allows for 360° rotation while securely locking the sections of pipe together with just a push of the tab.Features:Siliconized Fiberglass sealLockTab securityPipe rotates easily to align system componentsNo sealant requiredHigh efficiency performanceGasket joint designInternal spacing bead assures uniform insulating airspaceWarranty: Limited LifetimeConnector Specifications:Joint/Connection Overlap: 1-5/8"Joint/Connection Type: Twist-Lock standard on all diametersMaterial Specifications:Outer Wall: Heavy duty galvanized steelInner Wall: 304 Stainless Steel Elbow Black