Pack of 2 Refill Cartridges for McAlpine Scale Defender Starter Kit Product:Refill Cartridges The use of Airfix D

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

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

most of which is directly attributable to the effects of acid rain

Two-piece 50mm water seal trapped shower gully with top access for easy cleaning

- Anti-siphon design prevents contamination of fresh water supply

Pack of 2 Refill Cartridges for McAlpine Scale Defender Starter Kit Product:Refill Cartridges The use of Airfix DDESCRIPTION: 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