This is Glas-Col's most popular line of soft heating mantles for round bottom flasks Heating mantles are preferred to Bunsen burners or hot plates for organic liquids. They provide even heating (no hot spots) and maximum surface coverage for better temperature uniformity. The Series O spherical flask mantle covers only the flask's bottom half, letting you see its full contents. It should be used with the Series O supports.
Fabric Heating Mantles Feature: Fabric exterior provides effective heating in a space saving configuration. Fabric interior to softly nest glass vessels to reduce the chance of thermal shock and damage to glassware. Withstands 400°C internal operating temperature. Ideal for bottom holes, viewing ports, and other tubulations Specifications Certification: All 115 volt units are Canadian Standards AssociationCSAcertified. CE Marking on selected items is a symbol
of free marketability in the European Economic Area. Electrical: Separable 4 foot 2-wire cord and locking connector
HEATING MANTLES MUST BE OPERATED THROUGH A POWER CONTROL