tanks some won't, you have to check your local ones. You will also need the adapter to fit their equipment. Most guys have a 44 or 88 cf carbon fiber tank (SCBA) or
a SCUBA tank. You will have to check around your city to see what the best deal is for filling either, every place is different. Some guys even fill at the local fire
station or a welding shop. Really not economical to fill a smaller tank (like a paintball tank) for our shooting as we will use up that amount of air rather quickly.
HTH....Matthew