Can be used to replace the blue colour change BLUE DI filter on any Reach & Wash machine, or on its own to instantly purify water on demand.
 
During use, the linear blue filter changes colour from blue to brown to indicate when the filter is nearing the end of its life.
 
Connects with standard ‘hozelock’ type fittings and can be attached to any water source (such as a garden tap) to purify water to Zero parts per million.