20" Corrosion and scale inhibitor dosing cartridge designed to fit industry standard Ametek housings. These cartridges dose the water with hexemeta polyphosphate which is a food grade (and approved) material which basically stops water from attacking metals and stops limescale bonding in plates.
The 20" slim models are commonly used in whole house applications or to protect in-line appliances such as washing machines, boilers or inline water heaters (showers etc).
Cartridge life: Life proportional to usage and water flow
Designed to fit all regular 20" slimline and regular Ametek housings