Nature's Spring RO Pre-Filter   Carbon/Sediment pre-filter for the NEW, #1935-3 Nature's Spring RO unit. This filter contains a solid block, coconut shell, activated carbon filter wrapped inside a 5-micron sediment filter to remove excess sediment and chlorine to extend the life of the reverse osmosis membrane. Easily installed with no tools in just a minute or two.  Stock# 1962-6

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