We have two Ninja HP fill stations (used with bulk tanks). One has very little use. The other was just completely rebuilt by Ninja. Both are in excellent shape and work flawlessly.
SOLD!!
Ninja details:
* HPA 5000 psi high-pressure nitrogen (compressed air) fill station
* Easy operation using one on/off valve
* Allows for preset output pressure
* Comes standard with a CGA-677