OMNIFilter ROR2050-S-S06 Drop-in Reverse Osmosis Replacement Cartridge Kit Replacement cartridge kit for reverse osmosis systems Value pack - Contains one pre filter, one post filter cartridge, and one final carbon filter Extends the life of your membrane Includes RS14, CB1 and R200 cartridges and 2 replacement o-rings Fits OMNIFilter RO2000 and RO2050 systems and other major brands Drop-in reverse osmosis replacement kit for RO2050 RS14, CB1, R200 and o-rings packaged together Reduces sediment, rust particles and chlorine taste and odor