Pack of 2 Refill Cartridges for McAlpine Scale Defender Starter Kit Product:Refill Cartridges Most of our municipal water

Most of our municipal water supply comes from these sources

- Ideal for replacement and repair of a damaged tile or problem systems

The use of Airfix D Expansion Vessels offers the user important advantages

- Size 225 x 155mm

- Universal 1 1/4" / 1 1/2" in size

Pack of 2 Refill Cartridges for McAlpine Scale Defender Starter Kit Product:Refill Cartridges Most of our municipal waterDESCRIPTION: The Scale Defender safely seals and removes calcium, protecting your boiler, drinking water, appliances and entire home. The Kit includes Scale Defender unit, cartridge and 15mm and 22mm connectors. Polyphosphate is a food grade (consumable) product approved by the World Health Organization and Food and Agricultural Organization. It is widely used today in the food processing industry for cheese, meat, wine and other products. McAlpine