Box of 15 units - Multipurpose Stop the use of plastic water bottles and fight effectively against limescale thanks to EM ceramic beads. An ecological, economical and sustainable solution to rediscover tap water and fight against limescale. Multipurpose, 100% natural and compostable, they revitalize tap water and reduce its unpleasant taste. Use as a carafe, kettle, water bottle, coffee maker, and household appliances. Exceptional durability: more than 10 years. Packaging: recyclable cardboard. Box dimensions: H 50 x 50 x 15 mm (Height 70 mm with shelving tab) Original product from the work of Professor Teruo Higa