(PS-191) HydroPure Purity Light - DC & Adapter
Replacement purity light for use with the Philadelphia Scientific PS-300 & PS-400 HydroPure battery water deionisers.
A green light indicates the output water is suitable for topping your battery. If the light turns red the filter should be swapped for a fresh unit (PS-600). The purity light is battery powered (included) and easy to change.
HydroPure Purity Light DC & Adapter incl. Battery