Features:
1. Suitable for any tubes
2. Easy steps to take tubes off
3. Once inserted to the nut, the tube would not easily loose
4. Nickel-plated metal body ensures anti-corrosion and anti-contamination
5. All R and NPT threads are pre-coated sealant
6. Quick and simple tube insertion
7. Compact, light weight design
8. Advanced, well-proven tube retaining system
9. Re-usable thread seal
