Top Siders & Liquivacs
Cal-Products -
http://www.cal-products.com/liquivac.html

Heartland America -
http://www.heartlandamerica.com/HTM...t=1027&SKU=9409

Capital West -
http://www.capitolwest.com/jaguar_tools.htm#LiquiVac

This place still has some of the old Topsiders in stock:
BoatU.S. -
http://www.boatus-store.com/MC_Onli...?ShowItem=16467