Syringe Filters Pvdf 13Mm Diameter 0.22?m Pore Size 100Pcs Product Details SPECIFICATION - PVDF syringe filters diameter: 13mm, pore size: 0.22um, 100pcs UNIFORM PORE SIZE - The pore size distribution of the filter membrane is uniform, the porosity is high, and the filtering effect is good UNIQUE DESIGN - These PVDF syringe filters is that they are wall marked for .22um - when working with different requirements for filtration one needs to be able to quickly discern which ones are being used PREMIUM MATERIAL - Hydrophobicity, with high flow rate and lowest protein adsorption. It has high chemical and thermal stability, acid and alkali resistance, and high strength SUITABLE - Widely used in science laboratories for filteration of small volume samples, such as culture medium, additives, grain spawn jars, buffers and reagents, they withstand the autoclave process several times 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.