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Flash Undersink Reverse Osmosis System Post Filter Replacement Cartridge

Flash Undersink Reverse Osmosis System Post Filter Replacement Cartridge

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Regular price $29.99
Regular price Sale price $29.99
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Filter Option:

Replacement Cartridges Return Policy

Replacement filter cartridges with open or missing factory-sealed packaging cannot be returned. Please ensure you have the right cartridge before unsealing the product. Learn more about our return policy.

RKIN Flash Post Filter Options:
  • AlcaPure ALKALINE POST FILTER. Polishing Alkaline Post Filter returns beneficial minerals – Calcium and Magnesium to purified water for the best taste. It also increases the alkalinity of the water to a healthy level of 7-8 pH.
  • OnliPure ION EXCHANGE POST FILTER. Polishing OnliPure Post Filter reduces any leftover contaminants after the Reverse Osmosis process to zero TDS. Depending on local water quality and usage the OnliPure post filter might need to be replaced sooner to maintain 0 TDS.
  • Standard CARBON Only Post Filter. Polishing post filter with T&O Carbon media, common to traditional reverse osmosis systems.  
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