Membrane Disc Filter, Diameter 47 Mm, Pore Size 0.22M (Pack Of 100), Nylon ?Specification?:Nylon Membrane Filters. ?Chemical compatibility? :pH13-14. ?Diameter??47 mm ?Pore Size?: 0.22 ?m/0.45 ?m Application?: Suitable for organic solvents, such as alcohols, hydrocarbons, ethers, esters, ketones, etc., but not suitable for filtering corrosive solvents and strong acid and alkali solutions. ?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. Product Features ?Fast Filtration Speed?: Nylon membrane filters uniform pore size, thin texture, low resistance, fast filtration speed, no media shedding. ?High Hydrophilic?: Easy to absorb nutrients, natural hydrophilic, high mechanical strength, chemical compatibility pH13-14. ? Material Stability?: The use of polymer chemical materials, porogenic additives after special treatment coated on the support layer to make. ? Application?: Suitable for filtering aqueous solutions and most organic solvents, high temperature resistance. ?Quick delivery?:The nylon membrane filters are packed in boxes after being thoroughly checked and will be shipped by amazon, you will receive them very soon! Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!