How many mainboards does the v8 water machine in the health workshop have?

Two dollars. According to relevant data, v8 water machine in health workshop is very easy to use, mainly using activated carbon and cation exchange resin filter elements, as well as hollow fiber filter boxes, which can filter out sediment, rust, red worms and peculiar smell in water, effectively purify bacteria and colloidal particles above 0.0 1μm, and make the water quality meet the standard of raw drinking in China.