This filter pack contains those filters for the Nanofilter which should be replaced on a yearly basis and the Nanofilter Membrane which requires replacement every two years.The replacement filter pack contains the following cartridges:Nanofilter 5 micron CartidgeNanofilter Stage 4 Inline Carbon CartidgeGranulated Carbon CartidgeCarbon Block CartidgeNanofilter Membrane (set of 2)
