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,lightweight design
8.Advanced,well-proven tube retaining system
9.Re-usable thread seal.