CERAMIC DISC CARTRIDGE 40MM:

New Water Control 'On/Off' Cartridge for either Kitchen or Bathroom Taps, or Manual Mixer Shower Valves.

The 25mm is the Diameter of the Cartridge main body. The overall length (excluding the lugs) is some 49.5mm. The off-white coloured top section is some 17 x 9 x 9mm. Other  measurements are shown in the pictures.

There are 3 holes on the base with rubber seals which need to be tightly secured in the tap cavity. It has 2 securing 'lugs' on the base and the distance between the centres of these is 16.5mm.

The Minimum recommended water pressure is 0.5 bars.

If your taps are leaking or won't shut off, then you may just need one of these Replacement Cartridges, instead of having to replace the whole tap!