4″ Fiberglass Exhaust Tubing ConnectorThe fiberglass connectors are corrosion-resistant high-temperature exhaust tubes designed specifically to minimize exhaust gas and cooling water flow restrictions on wet exhaust systems. Precise outside diameters facilitate perfect connections between sections of tubing and flexible elbows, bellows, or hoses. Meets UL94V-0 for flame retardancy.Specifications:Construction: Natural FiberglassResin: Class 1 Fire Retardant Epoxy Vinyl Ester ThermosetGlass: Corrosion Resistant E GlassColor: AmberReinforcement: Filament WindingTemperature Range: Up to 350F (177C) Specifications:ID Diameter (inches): 4″Box Dimensions: 8″H x 8″W x 9″L WT: 1.05 lbsUPC: 704917000336Quick Guide (pdf)