Syringe Filter Puradisc ,Device PTFE pore size 0.45um,Dia 13mm,100/pk; 1629/1 6784-2504 Syringe Filter Puradisc 25TF PTFE pore size 0.45um,Dia 25mm,50/pk; 1629/2 6784-2502 Syringe Filter Puradisc 25 ,TF PTFE pore size 0.2um,Dia 25 mm,100/pk; 1630/5 10462100 SYRINGE FILTER PURADISC FP 30 CELLULOSE ACETATE 0.45 uM STERILE, 50/PK