If you have the Ecolite Canister like most coaches, you will be able to find your replacement in this document buy canister diameter, inlet & outlet diameter and overall canister length.
Then you can cross to whatever make you like. I have been told by the Fleetguard expert on this forum that they are all made in the same place.
Dennis & Carol
2003, 4006, 41' DutchStar,
Spartan, ISC 8.3L W/BanksPower - 2013 Honda CRV, BlueOx Baseplate, Aventa Bar & Patriot Brake. And the 04 Bird, Sunshine Car.