Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. We have researched the best replacement cartridges among these three manufactur...
1 micron dual density gradient sediment filter—highly recommended due to longer life and cost effectiveness. Use with 1/2 micron carbon block filter to fully prefilter water down to 1/2 micron.
manufactured from 100% pu...