Make sure to use a drier water/air separator with a piston ran oiled compressor or you will have alot of problems. This is common with all oiled compressors..beware of the craftsman water trap that Sears sells though..it only traps about 20% of the water..I sandblast out of my home as I am A retired paint contractor in the field 37 years... I have had to take 2 of thjem back within a week over this. I use the disposable air/water separators that I get from an auto body supply place..they screw right into the tools themself and then the hose..I just don't have faith in the craftsman water traps no more. The V twin Is a great air compressor..but all oiled compressors let some oil blowby..this is common...Oiless ones won't hold up to the stress of continious ran air tools...I have destroyed 3 craftsman oiless compressors running my small sandblaster just within A year..I switched over ..to believe it or not A campbell hausfeld 80 gallon tank with A 6.5 hp motor that I have had no problem at all with...Also beware the way craftsman rates thier horsepower on thier compressors..this is not true HP but start up horsepower only..and regarding the cfm..Craftsman is now rating thier compressors at scfm which is totally different that actual cfm..scfm is rated at certain ambient temperature, which will be different from all suppliers.Also remeber on elctric ones ..110 volt wiring is not capable of producing more than 2 HP..You will see 110 units rated at 3 to 5 HP when this is start up Hp only..110 can't produce that much HP but only at start up...My campbell Hausfeld compressor has outdone the craftsman ones now by far..