Magnetic Water Descaler Limescale Remover Conditioner Softener 100% Satisfied Healthy Life Fast Shipping Best Magnetic Descaler will take care of that clogging scalepipe with scale SELLER Dear Customer! Actually, There are two different colours of magnetic (Red and Yellow), they are the same thing and the same power! Now we only have Yellow colours, if you buy from us we will send you the Yellow colour. Please agree before you purchase our products. Thank you! Size : 120 x 45 x 35mm ◆ Simply installed around the outside of the piping. No tools-no cutting of water lines required,install Magnetic by following instruction picture.Magnetic is held around the water pipe by supplied cable ties. ◆Magnetic contains a powerful permanent magnets, so it can be used permanently without an external power source.