The GRO-5 Stage Replacement Filter Pack is built specifically for the Ultima and other brands of GRO 5 stage Reverse Osmosis Systems.
Includes: 1- 5 micron sediment, 2- carbon pre-filters, 3- canister O-rings, and 1- inline GAC post filter.
Also works with:
~GRO50-5, GRO75-5, GRO35-5.
~Ultima Model VII RO systems.
~ Newer International Filter RO5.
~Newer Ultra-Micron (R).
~Older WRI 5 stage RO systems.
~Most 5 stage RO systems that use a post filter with 1/4″FIP threaded connections.
~This filter pack qualifies for free shipping.
~Membrane sold separately. (does not need to be changed annually)
Includes the service manual “How to Service Your Reverse Osmosis System” by Dionicio Porras. So you can service your RO system like a pro.