On Thu, 26 Apr 2007 22:29:26 -0400, "Mortimer Schnerd, RN"
mschnerdatcarolina.rr.com wrote:

Bottom line... it's probably better to dump the air when you're done... at least
for shop compressors.


Or:

http://www.harborfreight.com/cpi/cta...emnumber=42221

or something similar