Welded Syringe Filters, Pack Of 20, Pes Membrane Diameter 25 Mm Pore Size 0.22 Product Details Higher Throughput : This PES + PP pre-filter provides two times greater throughput than standard filter without pre-filtration. Hydrophilic Membrance : One of the most commonly used membrances, broad compatibility with aqucous ans organic solvents,with stable hydrophilicity,not suitable for highly acidic samples. Application : suitable for pre-filtration and filtration of buffers and culture media. Process Volume(ml) : 10-100ml sample volume. High flow rateds(liquids),low protein binding,low concentrations of extractable substandces. 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.