Nov 06, 2020 · Aijiren uses a variety of high-quality materials for the production of Syringe Filter, such as Nylon, Hydrophilic PVDF, Hydrophilic PTFE, Hydrophobic PTFE, PES, MCE, PP and Cellulose Acetate Syringe Filter. In addition, Aijiren’s Syringe Filter is rich in color and green , Red, yellow, orange, white, you can choose.