Supertek Filter Paper, Qualitative, Grade 1, 110 mm (Diameter) Pack of 100 Product Description Filter Paper, Qualitative, Grade 1, 110 mm Pack of 100 sheets. Supertek Qualitative filter papers are made from virgin cellulose fiber. Grade 1 filter papers are suitable for medium flow rate and medium retention applications. Grade 1 filter papers are the most widely used in general laboratory use. They are frequently used to purify or clarify liquids. They are frequently used to separate precipitates or sediment from liquid for further analysis. Supertek Grade 1 Filter Paper will retain particles down to 9 nanometers in size. Very useful in waste water treatment, soil analysis or seed testing, education and in the commercial food industry, 110mm Diameter Virgin Cellulose Fiber .2 mm thick Filtration to .0000009 m 9 nanometers About Us Payment Shipping Return We are here to provide you a high quality product at an excellent value. You are ensured to have a great buying experience, and we want thank you for shopping with us! We process all payments through PayPal. You may use all major credit cards within PayPal. For “Buy It Now” listings, your PayPal payment is due immediately at time of checkout. We provide FREE SHIPPING on all Ground Shipping Orders within the contiguous 48 states. We do our best to ship your order out within 1-2 business days. We can only ship to verified addresses. We do not ship internationally or to APO or FPO addresses. Extra shipping charges will be incurred on orders to Alaska, Hawaii, or Puerto Rico. We offer Hassle Free Returns! If you would like to return your item and you are within 30 days of the purchase, and it is still in its original condition, you can request a return label and return the item by contacting us through eBay messaging. Once the item has been received and verified, a refund will be issued through PayPal.
