Water Cooler Spares - Cold/hot cooler filter kit Filters water and reduces limescale build-up Price: £28.75 incVAT Fits on the water inlet line of a hot/cold plumbed-in water cooler. Removes sediment, taste and odours. Anti-scale technology reduces the build-up of limescale on the water cooler's heating elements thus prolonging life, reducing maintenance and maintaining efficiency. Should be changed every six months. IN STOCK NOW. FREE MAINLAND UK DELIVERY IN 2-3 WORKING DAYS.