drain the moisture from your air compressor tank with regularity.
this needs done no matter what filters or traps come after the
tank. you do not want the tank to rust (weaken) from inside out
also, it is a good idea to look for a tank with ASME rating.
for those of you with employees don’t even consider anything
without it. this is a certifying board for all kinds of
mechanical devices. sounds picky, but could raise havoc with
your insurancs/workers comp
for anyone else consider the usage, it is prabably not important
except for continuous duty