APEC Water Ultimate high capacity pre-filter set is made in US with high-quality filtration components to protect and prolong the lifespan of your reverse osmosis system. Premium quality filter set lasts over 12 months for fewer filter change-outs and high-performance contaminant removal. 100% pure polypropylene depth filter with exceptional dirt-holding capacity translates to longer life and fewer change-outs than existing string wound or resin-bonded filters. Premium extruded carbon block filters consist of activated carbon particles fused into a uniform block with enhanced adsorptive capacity and efficiency. Unlike granular activated carbon (GAC) filters, these extruded carbon block cartridges will not channel or bypass due to the extreme uniformity of their extruded activated carbon core. The calcium mineral cartridge adds only 100% US-made high-purity calcium carbonate to effectively raise pH in the water for those who desire alkaline water. Compatible with APEC Water RO-PH90.
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