Public Drinker Big Capacity for Hot water ; Ice water ; warm water for school,hospital,enterpise,group,public,etc. Public DrinkerBig Capacity for Hot water ; Ice water ; warm water for school,hospital,enterpise,group,public,etc. Suitable for school, hospital, enterprise, group and public Secondary filter (PPF+CTO or PP+UDF) R134a compressor cooling with or without filter system Heating power: 1, ...