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Our ball products | Tourmaline stone ball, Chinese Maifanite Ball, Far-infrared ball, Negative Potential Ball, Magenisum ball, Calcium sulfite ball, Negative Ion Ball etc. | ||||||
Sizes | 1-2mm, 2-3mm, 3-5mm, 7-8mm, 10mm, 15mm, 25mm (can be customized) | ||||||
Main Usage | Water Filter; Turn acid water into weakly alkaline water which is good for human body |