public drinker

public drinker stainless steel water drink hot and cold function compressor cooling,R134a staineless steel body with filter purifier water suit for park,school,square etc public area Five stages filtration: 1)PP filter:remove rust,sand,clay which are bigger than 10mm 2)Activated carbon:remove organic,heavy metal particle 3)Block activated carbon:pesticide,floating substance,remnat chloride 4)The Ro membrane:remove dissolve salt,heavy metal,bacterial larger than 0.0001um and the desalinatins is more than 97% 5)The small carbon:adjust the water PH value,make the water taster better