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7.0 Filter Replacement Procedure
The filter elements must be replaced at regular intervals to maintain the quality
of the water.
The “F” Model 400 has 2-stages of mechanical filtration. A 1st stage 5-micron
sediment filter and a 2nd stage activated carbon filter. Both stages must be replaced every
6-12 months.
The “R” Model 400 has the 2-stages of mechanical filtration plus an additional
50 GPD Reverse Osmosis membrane element. The 2 pre-filters must be replaced every 6-
12 months. The Reverse Osmosis membrane must be replaced every 3 years. The RO unit
produces filtered water at a rate of 2 gal/hour.
Figure 11.
Filter Access