Reverse Osmosis Water Systems - Superior Model SN104 Inline Post Carbon - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available.
Filter for the Reverse Osmosis Water Systems
The Mineral Post Filter only pertains to SuperAir Model SN104 Reverse Osmosis Water Filtration System. This filter would only need to be changed once every two years. Should you only want to purchase this individually you may select the below. If you would like to change it along with the other 4 Stage Filters for this system, you may select the SN104 Filter Combo Set which includes all the filters needed.
Stage 5 - Inline Post Carbon Mineral Filter
Inline Post Carbon Filter is a second activated carbon filter that polishes the water to make sure that it is crystal clear along with having minerals added in.