Material: PTFE
Specifications: 25mm,40mm,47mm,90mm
Features: Good air tightness, low background value
Use: hydrogen chloride filtration sampling, aerosol sampling, low concentration particulate matter sampling, environmental monitoring sampling (inlet and outlet suitable for internal diameter 6mm tube)
High temperature resistance, Edge knurled design opens and closes without slipping, the material is stable and can withstand pressure and fall, Good sealing with PTFE sealing ring, durable