For standard size containers
Thermo Scientific™ Septa Caps include a bonded-in 0.045″ thick septa.
Thermo Scientific™ Loose Septa are replacement septa for Thermo Scientific VOA vials and septa bottles with 24-414 open top caps.
PTFE-Lined Closed Caps are replacement caps for Thermo Scientific glass environmental sample bottles, jars, jugs and vials.
LDPE-Lined White Caps are for general-purpose HDPE bulk separate containers.