The only USA made pressure cap with these features:
- 1. Internal fail safe check valve
- 2. Polished chrome exterior
- 3. Internal six point bottom contact seal
- 4. Internal four point top contact seal
- 5. Diaphragm encapsulation
- 6. 100% welded construction to ensure tight seal
- 7. Easy view polycarbonate window
- 8. Industrial valve stem seal
- 9. Printer “PSI” marking on cap
- 10. Factory PSI set, no adjustment needed
- 11. Patented no set spring; no battery required
- 12. Easy to read “RED/GREEN” indicator