Refill Station will require three to four items not included in the kit: 1. A compressed air supply (80-100 PSI) 2. Mother bottle (through local gas supplier) 3. Scale (as bottles are filled by weight) 4. A water separator/filter (this will help pump service life. NOS offers a water separator with built-in pressure regulator/filter recommended for use with our pump. #14250NOS (shown on pump, not included with kit). WARNINGS: 1. For maximum pump life, driving air supply should contain a water separator and be filtered to 10 micron. 2. Loose connections will result in high pressure leaks and can cause serious injury or death due to displacing oxygen in room. 3. Do no exceed 100 psi driving air pressure. Pressures in excess of 100 psi can cause equipment damage and serious injury or death in the event of an explosion.