The Fernox Central Heating Filter Fluid + Protector Express 400ml is a white, eco-friendly solution for maintaining your boiler's efficiency. This hydronic hot water filter fluid, designed for indoor use, has a metal tank lining and a capacity of 75-150 litres. With a first-hour recovery rate of 204 litres per hour and an energy efficiency rating of A, this product from Fernox is perfect for keeping your central heating system running smoothly. The 0.5 cm compression water connection makes installation quick and easy.
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