Metalbest 4DT-EL90S 4" Inner Diameter - Direct-Temp Direct Vent Pipe - Double Wall - 90 Degree Elbow Galvanized Vent Pipe Di

Metalbest 4DT-EL90S 4" Inner Diameter - Direct-Temp Direct Vent Pipe - Double Wall - 90 Degree Elbow When creating an offset in the chimney pipe system, calculate the offset to determine the elbow angle. This 90° elbow length creates a bend. When used with a corresponding 90° 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:Double wall construction with stainless steel interior is designed for ventilating gas appliancesInstalls easily by twist and locking togetherNo sealant required for installationLimited lifetime warranty for the original ownerProduct Technologies:Direct Vent Pipe: Direct vent pipe is used to vent gas appliances and fireplaces. It uses the inner wall to carry away exhaust gases while the outside wall brings in fresh air. This boosts efficiency and speed of heating compared to other types of pipe. Its design allows for termination either vertically or horizontally outside the home.Specifications:Pipe Class: Direct VentPipe Inside Diameter: 4"Insulation Type: AirMaterial: Galvanized Steel, Stainless SteelVent Construction: Double WallPipe Shape: RoundElbow by Angle: 90 Degree Elbow Galvanized