HPS 1" ID (25mm) , 1" ID (25mm) ID branch, 6" ID (152mm) Long High Temp 4-ply Reinforced Black Silicone Coupler T Hose Adapter meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications. Great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system. The tee design is great for custom DIY fabrication project such as adding heater coolant line to intake or radiator cooling system. Technical Specification: Product Type: Silicone Coupler T Hose Adapter. Temperature Range: - 65 deg. F to + 350 deg. F (177 deg. C). Reinforced Layer: 4-ply. Hose Inside Diameter: 1" ID (25mm). Hose Outside Diameter: 1 3/8" ID (35mm). Branch Size: 1" ID (25mm) ID with 1-1/8" Length. Hose Overall Length: 6". Overall Height (H): 2. 88" ID (73mm). Wall Thickness: 4. 5mm (+/- 0. 5mm). Color: Black. UV and ozone resistant. Remark: Silicone hose is NOT compatible with fuel or oil.