Syringe Filters Nylon Membrane - 13Mm Membrane Diameter, 0.22Um, Pack Of 100. Nylon universal membrane is suitable for the filtration of most sample solutions and solvents. With the hydrophobic property, the membrane is also suitable for the filtration of water solvents, so it?s often used for the filtration of HPLC and GC samples and solvents. Diamete:13mm/25mm. Pore Size:0.22um Material: PP Color: Green Needle filter is the fastest and most effective way to filter micro samples without membrane changing and filter cleaning to save a great deal of time. ?EXCELLENT CUSTOMER SERVICE?:We are dedicated in providing the best products and services to customers. If you encounter any problem, please don?t hesitate to contact us. We will reply your e-mail in no more than 8 hours since we receive it, and we will help you solve the problem as soon as possible. ?Specification??Syringe Filters Nylon Membrane?25mm Membrane Diameter ,0.22um Pore Size,Pack of 100. ?Features?: Good resistance to strong acids and organic solutions, no infiltration before use due to natural hydrophilicity, uniform hole size, strong flexibility and adsorption. ?Material??All are made of reinforced PP with ultrasonic welding technology instead of adhesive, so the physical and chemical properties are more stable. ?Smooth Filtration?: The filter membrane has accurate pore size and precise structure design to ensure smooth filtration. The internal space is rationalized, the residual rate is very low, which reduces the waste of samples. ?Quick delivery?:The syringe filter are packed in boxes after being thoroughly checked and will be shipped by amazon, you will receive them very soon