More for Mike than OP. You might consider something between your air hose and the air powered tool. This is what I use for air tools at work (I don't do autobody work though).
SPEEDAIRE Coiled Air Hose,1/4 In ID x 25 Ft,Nylon - Coiled Air Hose Assembly - 1VEH8|1VEH8 - Grainger Industrial...