This cartridge can be used with our waterfall tap range. SpecificationsNew Water Control 'On/Off' Cartridge for Waterfall Basin Mono MixerDiameter is 35mmOverall Height is 74mm.Main Body Height is 42mm.Top Lever Section is approximately 19 x 9 x 9mm.There are 2 Holes On The Base With Rubber Seals Which Need To Be Tightly Secured In The Tap Cavity.It has 2 Securing 'Lugs' On The BaseSuitable For Single Lever Taps.The Minimum Recommended Pressure Is 0.5 BarsIf Your Tap Is Leaking Or Won't Shut Off, Then You May Just Need One To Replace The Cartridge.