Use Pall Life. Sciences filters with GHP, PVDF, nylon, Syringe Filters: Importance and Application - Pipette.com. Jan 17, 2016 When working with aqueous samples, choosing a syringe with a hydrophilic membrane is ideal – Nylon, PES, GHP or PVDF membranes work best. Simplifying Sample Prep for Research Laboratories - Bio-Strategy