Several members here have canister type filters for sale or trade, and they're on Ebay all the time. Some even come with the correct pressure and return lines included in the deal. Try putting a post in the "parts wanted" forum, and I'll bet you get a bite in a matter of hours.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!