We recommend that the Post and Pre-filters of the Phoenix Infinity Reverse Osmosis be replaced every 6 months to prolong the life of the Membrane. This pack consists the latest disposable filters for Stage 1, 2, 3 and 5. Simple to replace, changing the Phoenix Infinity cartridges are as easy as changing a light bulb and requires no tools.
Stage 1 - Pre filter to remove sediments, dirt, rust and particles down to 5 microns
Stage 2 - Carbon filter to remove organic chemicals and Chlorine.
Stage 3 - Pre filter to prepare the water for the Reverse osmosis membrane
Stage 5 - Post Carbon filter to oxygenate and enhance taste of the water from the Reverse osmosis membrane Stage 4.