18 mm Headspace Screw-Thread Septa and Metal Cap, Blue PTFE/White Silicone Septa, Φ17.5*1.5 mm, 10B011 (CAT#: STEM-L-0125-ZJF)

With a bottle diameter of 22.5 mm, this is the most versatile gas chromatography sampling vial. The threaded headspace design offers convenience, allowing the septum to be tightly sealed on the bottle without the need for tools. Its professional precision ensures excellent airtightness between the septum and the bottle mouth, enhancing overall performance and reliability.

Description: Blue PTFE/White Silicone Septa, Φ17.5*1.5 mm
Packaging: 100/PK

Precisely Processed Bottle Neck: Facilitates mechanical gripping.
Unique Screw Design: Ensures tight sealing of sample bottles.
High-Quality Borosilicate Glass Material
Excellent Resilience of the Sealing Pad
Softer Sealing Pad: Provides better protection for needles.

18 mm Headspace Screw-Thread Cap Assembly, White PTFE/Blue Transparent Silicone Septa, Silver Magnetic Metal Cap, Central Hole 8 mm, 10B009
18 mm Headspace Screw-Thread Cap Assembly, Blue PTFE/White Silicone Septa, Silver Magnetic Metal Cap, Central Hole 8 mm, 10B010
18 mm Headspace Screw-Thread Septa and Metal Cap, Silver Magnetic Metal Cap, Short Screw, Central Hole 8 mm, Φ17.5 mm, 10B012
20 mm Crimp-Top Headspace Vial, 10 mL Transparent, Flat Bottom, 22.5*46 mm, 10B013