Flow Rate: 7.57liters/minute Capacity: 75tons Working Pressure: 1.3 to 8.6bar Working Temperature: 1-38 Feature: *High-tech product:American patented high-tech KDF55 process media, effectively removes heavy metal,chlorine,hydrogen sulfide, controls bacteria and scale. *Large Capacity:75,000L(20,000 gallons) *Maintenance Free:No cartridges to change,not electricity needed for the life of the filter,absolutely maintenance free,to prevent second contamination. *Under Counter:World fashion,small size and nice design. *Applicable range:Guest rooms in hotels,kitchen,bathroom. *Certificates:WQA,NSF,KDF