Check the listing for details. HPS HTST-425-BLK 4.25" 108mm ID Straight Coupler Hose Black 1' L 350F 177C. Condition: New. Listed at 81.46 USD. Silicone Coupler Hose,High Temp 4-ply Reinforced,4-1/4" ID,1 Foot Long,Black HPS 4-1/4" (108mm) x 1 Foot Long High Temp 4-ply Reinforced Black Silicone Tube Coupler Hose meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications. HPS performance silicone Tube Coupler Hose is designed and engineerd to meet high performance requirements specified in various industry standards, therefore make it great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system. Technical Specification: Product Type: Silicone Tube Coupler Hose. Temperature Range:- 65 deg. F to + 350 deg. F (177 deg. C). Reinforced Layer: 4-ply. Hose Inside Diameter: 4.25" (108mm).