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  1. /320545-20mm-GC-Grade-Soil-Septum-for-Headspace.JPG
    20 mm PTFE/Silicone Soil Sample Septa (100/pk) Item # 320545
    20 mm GC Grade Soil Septum for Headspace (100pk) Learn More
  2. 20 mm Bellows Seal (100/pk)
    20 mm Bellows Seal (100/pk) Item # 320501
    20 mm Bellows Seal (100pk) Learn More
  3. /320401-20mm-Chlorobutyl-Septum.JPG
    20 mm Chlorobutyl Septum (100/pk) Item # 320401
    20 mm Butyl Septum (100pk) Learn More
  4. /320201-20mm-PTFE-and-Silicone-Septum-2.JPG
    20 mm PTFE/Silicone Septum 2 (100/pk) Item # 320201
    20 mm PTFE/Silicone Septum 2 (100pk) Learn More
  5. /320101-20mm-PTFE-and-Silicone-Septum-3.JPG
    20 mm PTFE/Silicone Septum 3 (100/pk) Item # 320101
    20 mm PTFE/Silicone Septum 3 (100pk) Learn More
  6. /320005-20mm-Pure-PTFE-Seal.JPG
    20 mm Pure PTFE Seal (100/pk) Item # 320005
    20 mm PTFE Disk (100pk) Learn More
  7. 20 mm Butyl Injection Stopper (100/pk)
    20 mm Butyl Injection Stopper (100/pk) Item # 320402
    20 mm Butyl Injection Stopper (100/pk) Learn More
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