ES3 Cartridge Pack – 6 Stage RO with Inline Carbon & Ph

This Great Water Elite Series 3 – 6 stage RO contains
Quick Change Cartridge #1
Quick Change Cartridge #2
Quick Change Cartridge #3
RO membrane (This is required to be purchased separately – to be changed every 2 years)
Inline Carbon Cartridge
Inline Alkaline Cartridge