Stop in for a cup of coffee

Hassle? (Pffft!) Hell, how much you want? We got all sorts of it, in all sorts of sizes/tanks....

(Commercial HVAC Contractor)
at our dealer we had a big tank and a special regulated digital screen and you had to hook up all 4 tires at once before it would start filling. good idea, but the screen almost never worked correctly and it freaked out all the time.