Pall Life Sciences certifies Acrodisc PSF syringe filters with PTFE, nylon, PVDF, and. GHP membrane to be low in UV absorbing extractables. Aijiren Technology Acrodisc Syringe Filter, GHP, 25 mm, 0.45 µm, Aqueous, 50 . GHP has the broadest chemical compatibility and exhibits minimal protein binding. Brand, Acrodisc. Diameter, 25 mm. Format, Syringe Filter