• Made from Heat Resistant Low Expansion 3.3 Borosilicate Glass

The abbreviation for “Condensers, Double Surface with Glass Connector” could be “Double Surface Cond., Glass Conn.” or “DSC-GC.” This signifies a condenser with a double surface and a glass connector, commonly used in laboratory setups for cooling and condensation processes. The glass connector ensures compatibility with other glassware in the laboratory.