CELLTREAT - Bottle Top Filter Units • 4 different capacity units • 0.45µm and 0.22µm pore sizes • Use with Media/Solution bottles with 45mm diameter neck STERILE units with polystyrene funnels, choose PES membrane (fast flow), or Nylon membrane. NON-STERILE units with polypropylene funnels, choose Nylon membrane or PTFE membrane. All RNase, DNase, DNA, Pyrogen Free.
Larger Membrane Diameters for Greater Filtration Surface Area