Pack of 3 cartridges online for compact reverse osmosis

Full pack of 3 cartridges online for maintenance compact reverse osmosis . ,the module includes : ,online filter cartridge of 5 microns ( 11 "x 2.5 " ) . ,two filter cartridges online gac coal ( 11 "x 2.5 " ) . ,all filter cartridges used in 1/ 4 " . ,references osmosis cartridges pack of domestic ,291300 carbon filtration 5 ?m291500 carbon gac gac silver activado291604