Aarke Purifier Refill Granules – 3-PackThe aarke Pure Filter Granules make your water softer, cleaner and tastier by reducing limescale, chlorine and heavy metals. Made exclusively for the aarke Purifier technology, the granules in the bag are poured into the Purifier's refillable water filter cartridge. The granules are sold in a 3 pack of refill bags equivalent to 3 filter cartridge refills. The granules contain ion exchange resin and activated carbon to provide effective multi stage