Aqua Care 400GPD RO is 5-stage RO water purifier is complete with 3 Pre-Filters (PP sediment, CTO Filter & GAC Filter) Cartridges, Reverse Osmosis Membrane (100GPD x 4) Element, Inline Carbon filter, Installation Kit, Filter and Membrane wrenches, and all components required for automatic operation. This system Suitable for purification of tap water/municipal corporation water supply.