Alkin 1 man regulated fill station is easy to use, a durable fill station designed for paintball fields, air-soft stores, and individual airgun enthusiasts. The Fill Station has a built-in regulator that regulates the incoming air pressure from bulk tanks down to the desired fill pressure. Fill Stations come with the pressure preset to 3000 PSI. The operator can change the regulated pressure anywhere between 0 - 5000 PSI when needed. The fill station has a self-bleed stainless-steel filler valve that has no direct impact on any of the o-rings inside. Therefore the operator doesn't experience leakage issues, even when it's used for highly busy operations.