Glas-Col Hemispherical Mantles Series O Glas-Col Glass Fabric Exterior. The general design of the Glas-Col 100AO404 Hemispherical Mantle for Flasks provides for snug fit increased heat transfer while maintaining maximum joint safety. A selection of different mantles are designed for a wide range of application in vacuum and aseptic processing and for safety-related procedures. When performing these procedures in a cold room heating the mantles with a Bunsen burner is often preferred to a Bunsen burner. However be aware that a Bunsen burner may have to be replaced after extensive use or at the very least after frequent use and frequent washings. This is because the Bunsen burner has to be placed on a support pad first and then the support pad. Failure to provide a support pad may result in reduced heat transfer efficiency and possible loss of the mantle. Specifications for Glas-Col Hemispherical Mantles Series O Glas-Col 100AO404 Glass Fabric Exterior : For FlaskCapacity mL: 300 Maximum FlaskDiameter cm (in.): 8.6 (33/8) Exterior DimensionsO.D. x H cm (in.): 12.4 x 6.9 (47/8 x 23/4) Weightkg (lbs.): 0.41 (0.9) Electrical: 115V 60Hz 180W Glas-Col No.: 100AO404 Unit: Each (300 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 100AO404/ 33787-120 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 100AO404 Glass Fabric Exterior