... .7% inorganic salt, heavy metal ion and completely get rid of colloid, microbiology organic materials, germ, protozoa, pathogens, bacteria, ... filter 4) 304 stainless steel rack and pipe accessories connection. 5) Equipped with auto pressure protection system and on -line ... ) 7) The lifespan of the whole system is long, operation simple, the applicability is strong All-In-One Reverse Osmosis Pure Water ...