Celltreat Nylon Syringe Filters 0.22 um 30 mm – Morganville Scientific. Nylon syringe filters, 0.22 um pore size, 30 mm diameter. Individually packed 30/pack or bulk packed 100/pack. List Price $77.00 (sterile), Syringe Filters – Glass, PTFE, PES, PP, Nylon, & More – Chrom Tech