Ronteix Universal ID 4 Inch to 3.5 Inch 4-Ply Reducer Coupler Silicone Hose (102MM to 89MM， BLACK)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Inner Diameter: 4''(102mm) to 3.5''(89mm). Length: 3.0''(76mm). Thickness: 5mm;</li><li>Working temperature: -60 ~ 260 degrees</li><li>Working Pressure: 0.3 to 0.9Mpa</li><li>Bursting Pressure: 2Mpa</li><li>Size tolerance: +/-0.5mm</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41VHsEkld2L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41jE8ZjrebL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51DxCvDCv9L.jpg' noproxy></br>