Mystery Part Rescued From the Landfill

["Al Johnson" <twojohnsons@cox.net>]

Why do I tend to hang onto such useless, used-up, parts?Inherent pack-rat
genes, says the wife.
So today was clean-up day. Into the trash went broken wipers, busted OEM fuel
pump, petrified radiator hoses, etc.
But I found a rare rubber hose:
It's 36" long, 1/2" OD, closed at one end, grommet to allow a sheet metal pass
through 2"  from the open end, six holes spaced approximately 2" apart at the
closed end--------this sat in my trunk unidentified for years till I saw one
in use at a concourse event.
Anyone guess?
Al J.