Strong, shatterproof units provide dry storage and protection for sensitive products; de-gas liquids quickly and easily
Lighter and less costly than similarly sized glass models; does not chip like glass
Holds a full vacuum (29.9" Hg) at room temperature for 24 hours; flat-dome, clear top with large ribbed knob maximizes interior clearances and provides average of 13% greater interior volume over standard hemispherical domes
Neoprene O-ring assures tight seal down to 0?C without need for grease (ring will not be harmed if grease is used)
Tapered polypropylene stopcock with PTFE plug accepts tubing with 1/4 to 3/8" inner dia. and allows controlled entrance of air preventing unnecessary turbulence
