Lid, Reaction Vessel, 4-Neck

Four neck vessel lid to fit CG-1920 through CG-1936 vessels. The 10/30 outer joint will permit a thermometer to be inserted vertically to the bottom of the vessel. Lid has a flat ground surface allowing it to be greased or used with an o-ring. NOTE: Lids having thermometer joints are available with joint sizes other than those listed. Please call for details.