iSpring F7-GAC RO Replacement Filter Cartridge Pack + iSpring Greatwell RO Membrane

The iSpring F7-GAC 1-year filter pack comes with a total of 7 replacement filters, allowing for scheduled filter changes throughout the year. This pack includes 2x 5 Micron 10" Sediment Filters (1st Stage, #FP15) to remove dirt, rust, sand, and other particles, with a replacement schedule of approximately every 6 months. Additionally, there are 2x 5 Micron 10" Granular Activated Carbon (GAC) Filters (2nd Stage, #FG15) that absorb chlorine, halide, organic contaminants, odors, and other impurities, also to be replaced every 6 months.

The pack also contains 2x 5 Micron 10" CTO Carbon Block Filters (3rd Stage, #FC15) that further remove any remaining chlorine, tastes, and odors, with a replacement schedule of approximately every 6 months. Finally, there is 1x Post Carbon Inline Filter (5th Stage, #FT15) that polishes the water from the tank before it is delivered to the faucet, with a replacement schedule of approximately every 12 months.

It's important to note that the 1-year filter supply does not include the RO membrane, as the membrane only needs to be changed every 2-3 years. For a filter pack that includes the membrane, customers can consider the 2-year F15-75 or 3-year F22-75 supply pack.

The iSpring F7-GAC filter pack is compatible with the iSpring RCC7, RCC7P, and most other standard-sized RO systems, including Flowmatic, PuROLine, Crystal Quest, and Apec.

The iSpring Greatwell Reverse Osmosis Membrane, with a capacity of 75 gallons per day, is designed to fit standard under-sink RO drinking water filtration systems. It measures 11.75" x 1.75" and removes up to 99% of over 1,000 contaminants, including lead, chlorine, fluoride, arsenic, asbestos, calcium, and sodium. The membrane is suitable for feed water pressure ranging from 40 to 100 PSI and water temperatures between 40 and 100 degrees Fahrenheit, with a maximum total dissolved solids (TDS) of 2000 ppm and a maximum hardness of 10 gpg. The membrane weighs 0.8 lbs and has a 1/4" fitting.

The updated FT15 post-carbon filters in the iSpring F7-GAC pack feature a secure push-fit design for faster and easier replacement.

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