... day Package:polybag or blister Infusion set Spike with air vent,Drip chamber,Filter,PVC tube,Regulator,Latex bulb, ... Hypodermic needle. Components:Plastic spike (with air vent / without air vent), Metal spike,Drip chamber,Filter Roll regulator,Injection site ... Scalp vein setFeatures:1) Round synthetic spike with integrated air vent and filter2) Transparent drip chamber with filter 3) Flexible ...