Hi, Lionel. Re a smooth vacuum hose. I use a Sears shop vac with a
homemade suction box
<http://pub5.bravenet.com/forum/fetch.php?id=9697343&usernum=411580919>
and use the 2" hose to capture the bees. Sears sells 2" rigid 2'
extensions and they are smooth inside. The short corrugated hose
which connects the extensions to the suction box do not seem to cause
the bees any harm. Dan
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