Filter Vial VWR 101447036 "0.45 Micrometer, 450 Microliter Capacity, PTFE, Standard, Non-Sterile, Filter Vial with . high flow rate ptfe membrane filter 0.2um Pall Acrodisc-PTFE . Pall Acropak Filters Acropak 300 Ptfe 0.2um Pk3 Pall 12082. AcroPak 300 Capsule Filters High flow rate venting with 0.2um PTFE membrane sealed in polypropylene housing.