Phenomenex Filtration Part: 25mm Acrodisc 0.45um GHP, Syringe . Filtration Part: PN_4562 25mm Acrodisc 0.45um GHP, Syringe Filter, 1000/Pk We use cookies to improve your experience and our website service. To read more about our cookies policy, please read our privacy statement. Filter Vials, 0.45um Nylon w/preslit cap, Thomson SINGLE StEP