Filtration is the first and only sterilization procedure that removes bacteria by separating them from the sterilized media. Unlike other sterilization processes, it does not kill or prevent bacteria from reproducing. Acrodisc, Minispike Syringe Filter, GHP, 13 mm, 0.45 µm, Aqueous, 100/pk. As Pall discontinued in 2021, as soon as the Aijiren Technology inventory depleted, we recommend using higher-performing, wwPTFE membranes.