Glas-Col Hemispherical Mantles Series O Glas-Col Silicone-Impregnated Glass Fabric Exterior. Glas-Col designed these Laboratory Apparatus with a hemispherical shape to fully cover the bottom half of your flask for full visual access to your experiment. These Glas-Col 100AO414 Hemispherical Mantles Series O are constructed with a glass fabric exterior or one with a silicone-impregnated glass fabric exterior to match your heating needs. The nice thing about these mantles is that they can withstand up to 450 F internal operating temperature letting you raise your temperature to perform experiments without worrying about melting the exterior fabric. Pick up some Glas-Col Hemispherical Mantles Series O 100AO414 Silicone-Impregnated Glass Fabric Exterior to preserve the quality of your glassware. Specifications for Glas-Col Hemispherical Mantles Series O Glas-Col 100AO414 Silicone-Impregnated Glass Fabric Exterior : For FlaskCapacity mL: 5000 Maximum FlaskDiameter cm (in.): 22 (85/8) Exterior DimensionsO.D. x H cm (in.): 27.1 x 14.2 (105/8 x 55/8) Weightkg (lbs.): 1.18 (2.6) Electrical: 115V 60Hz 600W Glas-Col No.: 100AO414 Unit: Each (5000 ML) (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Glas-Col products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Laboratory Apparatus with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Glas-Col Laboratory Apparatus. 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 Glas-Col Hemispherical Mantles Series O Glas-Col Silicone-Impregnated Glass Fabric Exterior 100AO414/ 33787-221 we carry a full complement of Laboratory Apparatus as well as other product offerings from Glas-Col. We also carry a full line of Glas-Col accessories to help meet your laboratory and scientific needs. For a complete selection of Glas-Col Laboratory Apparatus please visit our Glas-Col page. For more brand name Laboratory Apparatus please visit our Laboratory Apparatus store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Glas-Col Hemispherical Mantles Series O Glas-Col 100AO414 Silicone-Impregnated Glass Fabric Exterior