Nano FIR Liquid-Activated Egg-shaped Ball(Nano FIR Wonderball) doesn’t contain any heavy metals, and it is temperature resistant of 1200℃ which uses both the latest Nanotechnology and the principle of FIR to achieve the aims of hygiene and health care. It can filter off impurities, lime scale, and odd smell; reduce chlorine and calcium quantities contained in the water to reduce water hardness by change water molecule size, after all, to change the quality of water we drink in order to enhance our health.