The cap has a lip inside that creates a tight seal.
This is a tamper evident cap that has a ring that separates when opened, so when used in conjunction with a tube, it is possible to confirm that the cap has been opened. Caps for 5, 10, and 12ATTP
Quantity: 1 bag (1000 pieces)
Material: PE (polyethylene)
*Not included with the main unit.
