1. This is a vented cap with a regular thread.
2. Comes with o-rings to prevent leaks.
3. Simply push the center area down and rotate.
4. 90 degree to show or hide the inner cap.
5. Easy to install, simply replaces your existing cap.
2. Comes with o-rings to prevent leaks.
3. Simply push the center area down and rotate.
4. 90 degree to show or hide the inner cap.
5. Easy to install, simply replaces your existing cap.
