WATERMARK, NSF
PP cotton, pre-carbon block, NANO membrane filter and post-CTO filter each play different roles in the water purifier, and have different functions and characteristics.
PP cotton: Mainly used to filter large particles of sand, rust and other impurities, usually as the first filter of the water purifier. Its filtration accuracy is usually around 1 to 5 microns, which can effectively
[Related Keywords : under sink water filter, Water Purifier, Drinking Water Filter, kitchen water filter]