... .W.P:max 10 bar 3.Extrude hose , no toxic . Food Grade Medical Silicone Hose (No Smell ) .colorful no smell medical hose ... .5mmI.D4mm~50mmWork pressureMax. 10barReinforcementNo reinforcement materialBurst pressureMin.30barColorwhite,black,red,green,blue,yellow,grey,orange,transperantSmellno smellMaterialUSA,GERMANY and Japanese ...