5 Improvements, 5 Days Delivery Same Low Price. New range of HPLC 17mm, 30mm Syringe Filters Superpure™ 17 mm, 30 mm color-coded syringe filters are HPLC Syringe Filters. Material: Nylon; Hydrophilic PVDF; Hydrophilic PTFE; Hydrophobic PTFE; PES; MCE; hydrophilic, low protein binding, high flow rate, high porosity, About Us – Syringe Filters – Omicron Scientific