Degas liquids quickly and easily in the laboratory or classroom with these small plastic vacuum desiccators Strong, shatterproof units provide dry storage and protection for sensitive products Lighter and less costly than similarly sized glass models; do not chip like glass Hold a full vacuum (29.9 in. Hg) at room temperature for 24 hours Tapered polypropylene stopcock with PTFE plug accepts tubing with 1/4 in. to 3/8 in. I.D. and allows a controlled entrance of air, preventing unnecessary turbulence Neoprene O-ring assures a tight seal down to 0°C without the need for grease (ring will not be harmed if grease is used) “Flat Dome” clear polycarbonate top with large ribbed knob maximizes interior clearances and provides an average of 13% greater interior volume over standard hemispherical domes All models include a 1/8 in. (0.32cm) thick perforated plate; disposable or reusable desiccant can be placed on or under this plate Clear polycarbonate bottom models offer increased viewing visibility from more angles
