http://cgi.ebay.ca/AQUARIUM-FILTER-CANISTER-JEBO-ODYSSEA-NEW-IN-BOX-99_W0QQitemZ7708232448QQcategoryZ20758QQrdZ1QQcmdZViewItem
thanx...
They work well enough but are physically fragile. It's a "you get what you pay for" scenario there, but if you're careful when working with it these will do the job.
And, at that price, you can always replace it cheap!