Got ours at JC WhipMe when on sale...it's a Fiamma for about $60 (wait for the
sale or use standard 10% off coupon).

One word of warning about winter use...don't leave it in a parked van for days
on end in freezing conditions without heating the interior of the van.  You can
see where this is going...nothing worse than to have the holding tank freeze,
split, then melt.  :-P  Also, if the flushing liquid freezes, it can damage the
pumping mechanism.

-Karl

Karl and Kristina Bloss, Trexlertown, PA
'87 Westfalia Weekender  "Beverley" - 190K miles
http://www.enter.net/~bloss/vw/
PA/NJ Vanagon owner's mailing list: http://www.enter.net/~bloss/vw/pavanagon/