Timely replacement of filter cartridges is essential for the water quality and lifespan of reverse osmosis system. There are 28 pieces of 2.5 in. x 10 in. (industrial standard) filter cartridges included in this genuine iSpring filter pack, make it the convenient 3 years supply for iSpring RCC7AK and most other reverse osmosis water filtration systems in the market that use standard 2.5 in. x 10 in. cartridges with alkaline cartridge. 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 and last for the best. Choose iSpring genuine filter pack for the quality, value and your peace of mind.
75 GPD thin film composite (TFC) membrane included, tested by independent third-party to meet NSF/ANSI standard. TDS rejection rate up to 97% (under NSF58 testing condition)
Produce perfectly pH-balanced alkaline water
Fits iSpring reverse osmosis alkaline pH water systems and most other brand name RO systems
Individual wrapped for freshness
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