This plastic desiccator has a transparent polycarbonate top, and a white polypropylene bottom

Space-saving design gives an average of 13% greater interior volume. Extra heavy walls aid in avoiding danger of implosion. This shatterproof desiccator will hold a vacuum of 740mm of Hg (29") for a period of 24 hours. Three-way polypropylene stopcock barrel with PTFE plug has a vacuum draw that accepts 1/4-inch I.D. tubing. Third port allows turbulence-free vacuum release. Neoprene o-ring seals lid to bottom and does not need grease.