5 stage DI under sink reverse osmosis water filter cartridges

5 stage DI under sink reverse osmosis system replacement filter cartridge pack.  This pack is for your 6 – 12 monthly filter change when a membrane is not required.  If a membrane is required please add to cart in the options box provided. If a PI biopure alkaline mineral cartridge is required please use the options box provided to add to cart.   Pack consists of 1 x Pre filter 0.5 micron, 1 x Omnipure 5 micron carbon filter, 1 x Mixed bed resin ion exchange filter and 1 x Omnipure K2540 inline polishing filter. All filters are USA / Australian made and NSF certified.   PLEASE NOTE –   All cartridges are USA and Australian made and NSF certified – recommended cartridge replacement is every 6 – 12 months on this system due to the nature of DI ion exchange resin reverse osmosis systems.  Cartridge change and service intervals can be affected by variable water conditions and water usage.   It is important to change your filters regularly to prevent smells and odours occuring from the DI ion exchange mixed bed resin componet of this system.