Complete kit of filtration cartridges for OsmoFLOW water purification system containing 1 braided sediment filter, 1 smooth sediment filter, 1 compressed carbon filter, and 1 coconut carbon filter. Sediment filters remove larger particles, the carbon filter eliminates chlorine and chemical pollutants, while the finishing cartridge removes unpleasant odors and tastes. Replacement recommended every 12 months. Replace the osmosis membrane independently every 18 months.