This 2-in-1 net and crystals cartridge, size 10, combines a mesh filter with crystals to treat water passing through domestic pipework. It is used to prevent limescale build-up and protect pipes and appliances from scale and corrosion, helping maintain water flow and equipment life.

• Combines mesh net and crystals in a single cartridge
• Prevents limescale build-up
• Protects pipes from corrosion