4 x 1st stage: 5-micron pp sediment filter removes dirt, dust, rust, and small particles.
4 x 2nd stage: 5-micron granular activated carbon absorbs unpleasant chlorine, tastes and odors, cloudiness and colors
4 x 3rd stage: 5 micron CTO Carbon block absorbs any residual chlorine, tastes and odors, plus compounding pre-filters' efficiency and extending RO membrane's life
2 x 5th stage: 1-micron total polishing inline carbon absorbs any possible residual tastes and odors
1 x reverse osmosis membrane (50 GPD), capable of processing 50 gal. of water per day
