Glas-Col Hemispherical Mantles Series O Glas-Col Glass Fabric Exterior. Glas-Col is renowned for the engineering and design of heating mantles that can be used in a wide variety of applications from simple heat maintenance to complete overhaul of your distillation column or rotary evaporator. Their quality and perfection in function will serve your everyday needs and the advance in fabric technology will result in increased product performance. These hemispherical mantles are characterized by their near-perfect heat transfer performance. The preform inside of the mantle is surrounded by a nearly fused silica gel layer. This provides a consistent uniformity of heat across the mantle surface. Additionally the interior and neck of the mantle are surrounded by a nearly fused silica gel layer. Chemically inert these mantles will not attack or denature any chemically active surface. Specifications for Glas-Col Hemispherical Mantles Series O Glas-Col 100AO394 Glass Fabric Exterior : For FlaskCapacity mL: 50 Maximum FlaskDiameter cm (in.): 4.8 (17/8) Exterior DimensionsO.D. x H cm (in.): 8 x 4.7 (31/8 x 17/8) Weightkg (lbs.): 0.36 (0.8) Electrical: 115V 60Hz 60W Glas-Col No.: 100AO394 Unit: Each (50 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 Glass Fabric Exterior 100AO394/ 33787-028 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 100AO394 Glass Fabric Exterior