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Thermo Scientific™ I-Chem™ Open-Top Septa Caps, 24-414mm, bonded septa, bulk

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Closure Size:
24-400 mm
24-414 mm
33-430 mm
53-400 mm
58-400 mm
Open top cap
Open top septum cap
Liner Material:
Bonded 0.045 in. PTFE-lined silicone septa
Bonded 0.060 in. thin PTFE-lined silicone septa
Bonded 0.125 in. PTFE-lined silicone septa
No. per Case:

Choose this high-quality septa cap, which meets EPA performance-based specifications for Volatile Organic Analysis, to use with our septa vials, bottles and jars.

Thermo Scientific™ Septa Caps include a bonded-in 0.045 in. thick septa. The same high quality septa caps used on our Thermo Scientific VOA Vials, septa bottles and septa jars. Processed to meet EPA performance–based specifications for Volatile Organic Analysis.

  • White polypropylene open top cap with bonded PTFE-lined silicone septum
  • Septum permanently bonded to the cap
  • Catalog No 297-2414 is an open top cap without septum and can be used with Thermo Scientific loose septa with 24mm diameter
  • Processed to meet EPA Performance Based Specifications for Volatile Organic Analysis


Cap only

Compatible with:

For use with Thermo Scientific VOA Vials, bottles and jars. 297-2414 closures are compatible with loose septa Cat. Nos. 288-0022, 288-0072, 288-0022BP and S24-400-S2.

Certification Parameters VOA
Color White
Description Open top septum cap
Material Polypropylene
No. per Case 24
Septa Silicone/PTFE
Type Open Top Cap
Level Unprocessed
Liner Material Bonded 0.060 in. thin PTFE-lined silicone septa
Certifications/Compliance Processed to meet EPA performance-based specifications for Volatile Organic Analysis; Manufactured under an ISO certified quality management system.
Closure Liner PTFE
Closure Included Yes
Closure Size 24-400 mm
Closure Material Polypropylene
Closure Type Open Top Cap
Diameter (Metric) 24 mm
Shape Round
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