Implosion-Proof Desiccators, Each

Details:

Upper section is unbreakable, transparent polycarbonatechemical-resistant polypropylene lower section permits the use of incandescent crucibles (when conventional porcelain plate is substituted for supplied plastic plate)molded groove in the flange holds the sealing neoprene o-ringseal is unaffected by low temperatureholds vacuum of 74cm hg below ambient pressure for 24 hoursorder inforetention valve takes 0.6Cm i.D. Tubing.