
- Complete PSA, PSL or PSS code or a clear installed-unit photo
- Straight PSA, L-shaped PSL or universal PSS form
- Tube outside diameter: 04, 06, 08, 10 or 12 and M5 / 01 / 02 / 03 / 04 thread
- A meter-out or B meter-in throttle direction; gray or black color where applicable

