Hose specifications: Http://www.Kuayuautoparts.Com/admin/article/uploadfiles/20161117163341700.Jpg For air/water not fuel/oil. For fuel/oil use, hose need to be lied with fluorosilicone. Color:blue, red, black etc.(inner lining can adopt different colors). Wall thickness:4.5mm, 5mm, or as request. Leg length:102mm, 125mm, or as request. Size tolength:id