Acrodisc Syringe Filter with wwPTFE Membrane - 0.2 µm, 25 mm (1000/pkg) - Products. Free ground shipping on Laboratory products for registered Credit Card users. Acrodisc Syringe Filter with wwPTFE Membrane - 0.2 µm, 25 mm (1000/pkg) Share. Product image is a representative example for illustration purposes. Actual product may vary.