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All Filters are NSF Certified for High Purity Reverse Osmosis Systems
reducing the leaching of metal plumbing components
High chemical resistance
Excellent contaminant reductions
Removes or Reduces Nitrate
US Water Polyphosphate Filter Cartridge 2.5" x 20" | USWF-2520-PP For Home All Filters are NSF CertifiedUS Water 2. 5" x 20" Phosphate Cartridge The cartridges contain food grade slow melt polyphosphate that dissolves slowly in water to inhibit scale and rust build up. This type of treatment is recommended for use with ice machines, coffee and vending machines, food service equipment, water heaters, air conditioning equipment and many other types of water processing equipment. All materials are FDA grade. The cartridges are effective for treating scale,
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