PTFE-lined Closed Caps; white PP closed-top cap with bonded PTFE liner
Thermo Scientific* PTFE-lined Closed Caps are replacement Caps for Thermo Scientific glass environmental sample bottles, jars, jugs and vials.
The same high quality PTFE-lined caps used on our Thermo Scientific glass environmental sample containers. The PTFE liner is bonded to the cap so it won't fall out or become separated from the cap.
