... 3.FDA,CE,LFGB,SGS approved non-toxic hookah silicone hose Advantages for silicone hose(1). No taste, no toxicity, no contamination ... Permeability(5). Extended flexible life and reduced maintenanceFeatures for silicone hose(1) Temperature range: -50°C to 200°C,short ... or SGS,RoHs, Reach,CE etc.,(8) Medical, Food and other GradeApplications for silicone hose(1) Transferring and pumping yoghurts and ...