These polyphosphate powder sachets are used to refill anti-scale filter cartridges, helping to protect plumbing and sanitary systems, boilers and gas water heaters from limescale build-up and corrosion. Supplied as individual sachets, they make topping up easy.
- Refills anti-scale filter cartridges
- Pack of 12 sachets
- Each sachet weighs 0.08 kg
- Protects plumbing, boilers and gas water heaters from limescale and corrosion