3868R Conversion Ring Bush.You will require a new bush if you cannot separate it from the cartridge. You will also need a new bush if the tap is leaking from the joint where the handle meets the tap. Compatible / used with the following taps. Abode Hargrave Abode Atlas Professional Bluci Vertigo Carron Phoenix Dante Carron Phoenix Lucida Clearwater Alzira Dante Tripure Franke Basel Franke Eiger Franke Davos J Franke Filterflow Doric Howdens LAmona Professional TAP 9157 Howdens Garda John Lewis Leap Rangemaster Aquatrend Rangemaster Parma San Marco Cedar San Marco Odessa San Marco Finley Teka Cedar Teka Lippe Tutti