13 mm, 0.45 µm, Acrodisc® Syringe Filter with Nylon Membrane, 1000/pkg | Pall Shop. Free ground shipping on Laboratory products for registered Credit Card users. Acrodisc® Syringe Filters with Nylon Membrane - 0.45 µm, 13mm, male slip luer outlet (1000/pkg) Share. Product image is a representative example for illustration purposes.