Ultra-hygienic flexible PTFE (polytetrafluoroethylene) hose with smooth bore and a contoured outer wall, AISI 316 stainless steel braiding with high tensile strength and extruded silicone. The hose is extremely flexible and has exceptional vacuum resistance and kink resistance properties for extreme performance and flexibility. Pharma-Flow® should be specified for applications where an ultra-hygienic smooth hose and/or high flexibility is essential.