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
Tapered polypropylene stopcock with pate plug accepts tubing with 1/4 to 3/8 inch
White polypropylene bottom models can support incandescent crucibles on Minerit HD High Heat Ceramic Desiccator Plates