Syringe Filter Pes(Polyethersulfone) Membrane 13Mm Diameter 0.45Um Pore Size Non Product Details ature: filter diameter: 13mm, pore size: 0.45um, membrane material: PES , hydrophilic property . Syringe filters are made of inert plastic house, membrane, and luer lock fit. It is used with disposal syringes or filtration device with luer fit. Syringe filters are often one-time use only. Biomed Scientific syringe filters offer universal application for analytical procedures. Hydrophilic PES (Polyethersulfone) suitable for pre-filtration and filtration of buffers and culture media . Hydrophilic; High flow rates; Low protein binding; Low concentrations of extractable substances; Excellent chemical stability; High thermal and oxidative stability. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.