2 Pre Filters RO & 1 Ltr DI Resin Replacement for 4 Stage Reverse Osmosis 3 PCS 


Filter 1:
External sediment filter removes sand, rust, silt and other sediments up to 5 Micron, 1/4" threaded connect.

Filter 2: 
External Granular Activated Carbon Filter.
This filter removes chlorine, organic contaminants and pesticides, 1/4" threaded connect.

Filter 3:
1L of high quality DI resin