Clear Base Vacuum Desiccators, Made of polypropylene (PP) and polycarbonate (PC)., Each

Details:

Can hold vacuum up to 740mmHg for 24 hours without any greasingAutoclavable at 120°C for 15 minutesTop dome, molded in rigid and transparent PC, gives crystal-clear view of sampleKnurled knob on top provides easy handling of domeTransparent PC bottom provides increased viewing clarityInternal groove on flange holds silicon rubber O-ringPP stopcock has self-lubricating PTFE plugThree-way plug opens to create vacuum, closes to hold vacuum, and opens again to release vacuum