To be used with the Claris Gen 2 head, with quick connect fittings, part #EV433992.
Can be used as an upgrade from the Claris Ultra M (Medium) cartridge, for increased capacity.
You can upgrade to any model of Claris replacement cartridge. Here is a link to the Claris family of Products.
Spec Sheet:
Claris Ultra L Cartridge Spec Sheet
Note: Cartridge & head sold separately although product picture shows both