- Polypropylene screwthread connectors with Viton ‘O’ rings for use up to 140°C.
- PTFE screwthread connectors with PTFE protected ‘O’ rings for use up to 200°C.
- PTFE connectors have a high chemical resistance and are ideal for connections in contact with aggressive liquids or chemical vapours.
![Screwthread Connectors (Replacement)](https://phytobiosophy.com/wp-content/uploads/2021/02/Flasks-Accessories4.png)