... such as rust, sand, suspended matter, asbestos fiber other physical particles. Outflow rate: 500L/HSource water ... such as rust, sand, suspended matter, asbestos fiber and other physical particles.The stainless-steel precise ... .Anti-converse-flow made flushing easillyThe cleaning media in the cartridge, prevent calcium, magnesium, reduce water ... groundwater. Pre-filter (German technology, Made in China)