Timely replacement of filter cartridges is essential for ensuring water quality and lifespan of reverse osmosis filter. This genuine iSpring filter pack includes 14 pieces of 2.5 in. x 10 in. (industrial standard) filter cartridges, plus 1 to membrane (75 GPD) - convenient 2 year supply for iSpring RCC7, RCC7P, RCC7U and RCW5, and most 5-stage reverse osmosis water filtration systems that use standard 2.5 in. x 10 in. cartridges. The same as iSpring water filter systems, these filter cartridges have been tested by independent third-party to meet NSF/ANSI standard for material safety, durability and filtration performance - guaranteed to perform better and last longer. Choose iSpring genuine filter pack for quality, value and your convenience and peace of mind.
4 x 1st stage: 5 micron multi-layer gradient polypropylene snow white filter blocks sediment, sand, dust, rust and anything that causes turbidity
4 x 2nd stage: 5 micron granular activated carbon absorbs unpleasant chlorine, tastes and odors, cloudiness and colors
4 x 3rd stage: 5 micron CTO carbon block absorbs any residual chlorine, tastes and odors, plus compounding pre-filters' efficiency and extending RO membrane's life
2 x 5th stage: 1 micron total polishing inline carbon absorbs any possible residual tastes and odors
TDS rejection rate up to 97% (under NSF58 testing condition)
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