Simplify sample storage with these clear and color-coded cap trays. Thermo Scientific™ Nunc™ Universal ScrewTop Tube caps are available racked in trays to suit a variety of applications.
Highest Quality
All caps and inserts are supplied free of DNA, DNAse, RNAse, PCR Inhibitors, endotoxins and cytotoxins
Superior Cap Design
Gasketed caps ensure critical sample protection over the storage lifetime
Soft gasket compresses to ensure a proper seal, preventing contamination from outside the tube
Cap material: Virgin class VI medical grade polypropylene with virgin class VI medical grade silicone O-ring
ScrewTop caps are compatible with storage down to -196°C
Cap Options Simplify Sample Identification
2 mL cap trays feature standard microplate format compatible with automated equipment
Caps are available in six vibrant color options to enable sample identification