Polypropylene racks snap together for easy assembly, sturdy construction, stackable, and are available in four colors. Will not float in waterbath. Alphanumerical positions for clear sample identification. Wide spaces between positions. Operating temperature -20 to 90°C. Autoclavable at 121°C.

Stainless steel racks are constructed entirely of rugged, corrosion-resistant 304 stainless steel. Highly polished surfaces reduce porosity and reinforce the corrosion-resistant properties.