Qwork Glass Jointed Short Stem Powder Funnel Filter Funnel With 100Mm, 2 Pack Product Details High Quality - Made of borosilicate glass, it has the advantage of excellent physical and chemical resistant. It can used with many chemicals. Design - With side angle and the 24/40 joint, it can connect with other lab glassware and add the powder and liquid into the flasks. Specification - The top outer diameter is 100mm with the 24/40 joint. Wide Usage - This funnel can be used with lab glass containers to add liquid or powder. It is an ideal way to put the particles into reaction flasks. 100% Satisfied Service - Enjoy a smooth frustration free experience with our 100% Satisfied Service in one Month! 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.