Filter Paper 11Cm Lab Qualitative Filter Paper For Chemistry,, 100 Discs Product Details ZENPORE CHARM PRINTING HK CO., LTD is a well-known laboratory consumable manufacturer , the company was established in 2013,the pioneering spirit is placed in the process of producing filter paper. The laboratory filter produced by the filter paper supplier FLUTED FILTER have strong chemical compatibility, high moisture explosion resistance, and low ash content. FLUTED FILTER has been folding filter paper disks for European distributors of filtration equipment since 2008. Thanks to our close relationship with filter paper manufacturers, we can now offer a limited range of those products directly to consumers. GRADE 2 : 11cm - Equivalent to Whatman qualitative grade 2, standard lab filter paper (110mm) AGRICULTURE - Soil pre-filtration, fertilizer analysis, nutrient absorption in seed tests BREWING TESTS - Beer and malt analysis, removal of turbidity in wort and yeast filtration AIR / GAS FILTRATION - Pollution monitoring of specific atmospheric contaminants, smoke HIGH RETENTION / SLOW FLOW - Retains fine crystalline particles (5~10 micron) 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.