Alleviates any potential hazard created by gas leaks
Keeps your BBQ or other gas appliance working at its optimum level
The O-ring may be required as replacements for a similar existing part on you POL regulator. This is vital in ensuring that you obtain a proper seal between the regulator & gas cylinder and avoid potential gas leaks.
A worn or damaged O-ring or Bull Nose on your existing regulator should be replaced.