Tradewinds Weighing Funnels Tradewinds Direct GWF-BS4-XL Borosilicate Glass Pack. Combining top-notch and uncompromising quality with an affordable price the Tradewinds Weighing Funnels Tradewinds Direct Borosilicate Glass GWF-BS4-XL/ 14221-822 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Designed for the user to fill and pour back into bottle with a secure closure airtight and sealed with a graduation ring at the top. The funnels are made of Tradewinds direct (borosilicate) glass have a noncorrosive Pt100 base and are autoclavable. The funnels are supplied with a retaining screw. A funnel spacer is included for stacking. These funnels are supplied with a funnel plug at the top of the bottle. It is the user's responsibility to determine the optimum funnel size from the technical point of view and to provide a secure seal at the mouth with a leakproof cap. Specifications for Tradewinds Weighing Funnels Tradewinds Direct GWF-BS4-XL Borosilicate Glass : Size: X-Large Capacity: 60 mL Soilds/25 mL Liquids Fits: 1000 2000 mL Volumetric Flasks Tradewinds Direct No.: GWF-BS4-XL Unit: Pack of 6 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Tradewinds products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Beakers Test Tubes Flasks & Accessories with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Tradewinds Beakers Test Tubes Flasks & Accessories. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the Tradewinds Weighing Funnels Tradewinds Direct Borosilicate Glass GWF-BS4-XL/ 14221-822 we carry a full complement of Beakers Test Tubes Flasks & Accessories as well as other product offerings from Tradewinds. We also carry a full line of Tradewinds accessories to help meet your laboratory and scientific needs. For a complete selection of Tradewinds Beakers Test Tubes Flasks & Accessories please visit our Tradewinds page. For more brand name Beakers Test Tubes Flasks & Accessories please visit our Beakers Test Tubes Flasks & Accessories store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Tradewinds Weighing Funnels Tradewinds Direct GWF-BS4-XL Borosilicate Glass Pack