Glass Wool, 10 Grams, Glass Fiber Cotton, Filter Glass Fiber Cotton For Product Details 1. Alkali free glass wool 1. Alkali free glass wool 2. High temperature resistance 600 ? 3. Applicable to the determination of petroleum magnesium silicate adsorption column filling filtration 4. Suitable for cadmium column reduction device filled with glass fiber cotton 5. Suitable for filling and filtering of macroporous adsorption resin column 6. Suitable for filling, filtering, heat preservation and heat insulation of large, medium and small instruments in the laboratory 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.