Vacuum Desiccators

These PYREX® desiccators have a rugged 24/29 Standard Taper external sleeve with tooled hose connections that serve as the stopcock. It is designed so that its manipulation is not affected by the vacuum. To introduce vacuum into the desiccator, loosen the stopcock to disengage the PTFE plug from contact with the glass. The open position is indicated by the molded arrow on...