Take the top of the canister with you when you go filter shopping. Check the gasket that's included with the filter element to be sure the gasket fits the lid. Some filters come with two different diameter gaskets to fit different canisters.
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!