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Chrome Air Gap Faucet - Long Reach GGN-FAUCET-AG-P. The perfect replacement faucet for under sink reverse osmosis systems.
4 Gallon Reverse Osmosis Tank GGN-Tank-4 Pro 3.2
Inversion Stand for Water Tank on Reverse Osmosis Systems
Simply enter your Feed Water TDS and RO Water TDS into the boxes above and click "Submit". The percentage of TDS Rejection will be displayed. We normally recommend membrane replacement once you drop below 75%. This may vary in areas with high TDS in the feed water.
See our selection of TDS meters under Water Tests