Certifications -Water Quality -Meterial Certified By NSF ISO-9001 -KWPTC -Certified By Korea Water Purifier Made in Korea Maximum Flow : 3.8L/M Maximum Pressure : 8.0kgf/cm Maximum Temp : 45'C Functions -Sediment Filter : Mud , Sand , Rust , Particles -Pre-Carbon Filter : Chlorine , Volatile , Organic , Compounds -Post Carbon Filter : Made of higt purity activated charcoal with superior porous removes organic chemical substance including remaining chlorine contents in the water and assist and maintains fresh water teste by removing unpleasant.