Syringe Filters Pvdf Hydrophilic Filtration 0.22Um 13Mm Membrane, Pack Of 100 Product Details PVDF Hydrophilic Membrane: Polyvinylidene difluoride is a hydrophilic membrane that is suitable for most general biological sample filtration. Polypropylene housing : Purple color polypropylene housing, non-sterile Superior Performance: Prevent leak of sample colvent and can promise membrane area being used in a large filtration ares Connectors: Inlet?Female luer,Outlet:male slip luer Application: General biological filtration, filtration of samples for high protein recovery 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.