User guides

Ease of use is one of the key features of our products. Both the installation and cartridge replacement are

How do I replace my cartridge?

The handy and compact cartridges are easy to replace in 3 steps.  

This is the case for both the Opticalc and the Optifiltrex




How do I install an Opticalc or Optifiltrex?

Easy and quick installation.

No additional taps, fitting kits or brackets required!


Need new cartridges?  

Order quickly and easily online.