If you plan on filling air tanks, then you will need adapters and fill stations.The easiest way is to fill your air tank is using scuba tanks. All you need is one scuba fill station and a scuba tank if you plan on only filling for yourself. Take your scuba tank to the scuba shop to get filled and you are good and put on your fill station and you are good to go. If you filling more then one person, you might want to use multiple scuba tanks set up as a cascade to get utilize the air the best. If you plan on using bulk nitrogen or compressed air tanks, then you will need to build a fill station. We have every fitting you will need to build your new fill station, just make sure to get lots of loctite and thread tape!