... center Single use, piston be pierced Valid 3-5 year WHO standard syringe Material: Medical grade PP Color: Transparent Quality ... : WHO ( PQS), CE, ISO passed Luer slip in centerSingle use, piston ... -5 year 1. Product Info. Material Medical grade PP Certificate WHO(PQS), CE,ISO MOQ 300000PCS Size 2ml, 5ml, 10ml Needle ...