Acrodisc® Syringe Filter with GHP Membrane Purchase by calling 1.800.932.5000, visiting vwr.com or contacting your VWR sales representative. Nylon Membrane Filters, 0.2 Micron, 25mm, 100/Pk - NY0225100 | St. Nylon Membrane Filters, 0.2 Micron, 25mm, 100/Pk Product code NY0225100. sales@sterlitech.com. Quick Links.