Magnetic Lime-Scale Inhibitor NON-CHEMICAL WATER CONDITIONING TECHNOLOGY   The molecular structure of water changes when it passes through this magnetic field causing dissolved solids like calcium and magnesium to re-align themselves and lose their ability to form lime scale and stick to the walls of your pipes, and plumbing fixtures   Clips on to exterior of existing PVC pipes     Instantly prevents further lime-scale formation in hot and cold water pipes while slowly dissolve existing build up.   Extend the life of your plumbing fixtures while reducing your heating bill   Food Safe & Eco Friendly The pipe is not cut & the water is not touched Only one unit needed per water supply line Suitable for outdoor installations   NO CHEMICALS : NO ELECTRICITY : NO MAINTENANCE : LIFETIME GUARANTEE