Standard Caps (various colours available)
- Easy 3⁄4 turn to open and close.
- Synthetic O-ring, except 2003.
- Available with and without attached tether.
- Caps offered with synthetic, silicone, or with the super secure (GripSeal) molded seals.
- Large variety of cap colors to choose from.
- Cap Insert Discs for added sample identification.
- Temperature Range from -196°C to +121°C. Note: not for immersion in liquid nitrogen.