Purifier LargeThe Aarke Purifier Large is a patented water filter jug in glass and stainless steel. It features a unique, refillable steel cartridge for Aarke filter granules no need for single use plastic catridges. In collaboration with BWT, one of the worlds leading water technology companies. The included Pure filter granules reduce chlorine, heavy metals and limescale for cleaner, better tasting water.