3 available This fits the following Ninja 4500 psi tanks, 50ci, 68ci, 77ci & 90ci. Buy with confidence as I have perfect feedback here on HopUp as well as on eBay for over 20 years. Shipping via FedEx from Dallas, Texas. Unfortunately no trades at this time. Please feel free to message me with any questions. Thanks for looking and please don’t forget to check out my 75+ other listings!