- Versatile and inexpensive racks for common diameter test tubes. Sturdy construction, stackable.
Polypropylene racks snap together (three-pieces) 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 90C. Autoclavable at 121C.