Thermo Scientific™ Septa Available on GSA/VA Contract for Federal Government customers only.

Use low bleed, robust BTO Septa for demanding GC-MS applications.

Manufacturer: Thermo Scientific™ 31303230

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Catalog No. 31303230

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Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter. Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.


    Quantity 50 (Glass Jar)
    Item Description BTO; 11.5mm dia.; Max. Temp. 400ºC
    For Use With Trace and Focus GC
    Type Low Bleed Silicone
    Diameter (Metric) Inner 11.5mm

    Ensure optimal performance of your GC instrument with bleed and temperature optimized Thermo Scientific™ BTO and TR-Green Septa. Made of low-bleed silicone, these septa have excellent mechanical properties, are ideal for demanding GC-MS applications, and may be used reliably up to 400 °C.

    • Variety of materials and temperature limits for all applications
    • For use in Thermo Scientific™ TRACE™ and FOCUS™ GCs and instruments from other manufacturers
    • Contaminant-free in individual blister packs

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