

💧 Elevate your hydration game with crystal-clear confidence!
The iSpring FC15 is a 10" x 2.5" CTO carbon block water filter cartridge designed for under-sink reverse osmosis systems. It removes up to 99% of chlorine, taste, and odor compounds using 5 micron coconut shell activated carbon, ensuring fresh, great-tasting water while retaining beneficial minerals. Compatible with most standard RO systems, it offers easy installation and is backed by lifetime U.S.-based tech support and warranty registration.





| ASIN | B00S5E5NJQ |
| Best Sellers Rank | #37,265 in Kitchen ( See Top 100 in Kitchen ) #103 in Water Filter Cartridges |
| Brand | iSpring |
| Color | White |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,324) |
| Date First Available | 18 October 2016 |
| Item Weight | 280 g |
| Material | Carbon |
| Model Number | FC15 |
| Product Dimensions | 6.35 x 6.35 x 25.4 cm; 280.66 g |
I**N
Good filter
Good
F**.
Water smells like fish … Had to throw it away
Awful water taste (bad fish) i flushed my whole system like 5 times and every time the smell goes after flushing and comes back after water settles for a few minutes in the filter . I’ve noticed a couple of reviews here mentioning the same issue, it would be great if the vendor can explain what’s happening here and whether its a product defect or something. I had to throw this 3 days after hours and hours of flushing/wasting water
S**.
Horrible after taste
This filter gives an horrible after taste, tastes like plastic and not pleasant. Have wanted a few weeks to see if it goes away and run many liters of water through it but no improvement.
N**L
Llevo varios años con esta marca de filtros y no defrauda . El cartucho de filtro iSpring FA15 ha sido una gran mejora para mi sistema de filtración de agua. Se nota la diferencia en el sabor, eliminando cualquier rastro de cloro y dando un agua más fresca y limpia. La instalación es sencilla y el rendimiento es excelente. Dura bastante tiempo antes de necesitar reemplazo, lo que lo hace una opción conveniente y económica. Además, su compatibilidad con sistemas iSpring lo hace ideal para mantener una filtración de calidad. Si buscas un filtro que realmente haga la diferencia en la pureza y el sabor del agua, este es una gran elección.
L**N
I use a sediment cartridge, carbon cartridge, ro membrane and dionizer resin bed filter with this Alkaline and mineral filter and its been working great. I use the rodi system for my reef tank, but since rodi water is essentially stripped of everything bad and good things, I could not use it for drinking purposes, so I bought this filter to remineralize the water and it did. the rodi water had 0.01 tds, and after running it through the alkaline filter, it went up to 0.14 which means I have minerals again essential minerals. The Ph was already pretty good at 7.6-7.8 but after running it through the alkaline filter it went up to 8.8-9.0, and as you may or may not know alkaline water is great for you as apposed to acidic water, and since your body is made up of mostly water it makes sense, anyway iam rambling here, so to wrap up I am very happy with the results.
B**Y
so easy to set up water tastes great all the mind controlling chemicals gone
M**A
Muy útil
S**Y
There comes a point in every homeowner's life when you pause, take a sip of tap water, and think, "What am I really drinking here?" For me, that moment led me down the rabbit hole of under-sink reverse osmosis systems. The system itself is the big, fancy part, but the real workhorse, the quiet hero of the whole operation, is the filter cartridge you put in it. For years now, through multiple homes and locations, my go-to has been this iSpring FC15 Carbon Block Filter, and its track record is impeccable. Pros: The Clear Advantages The Old Faithful of Water Filters: This isn't a review based on a week of use. We've been relying on these specific iSpring filters for several years now. They've been a staple in our main home's RO system and even in a smaller setup at our cottage. They are consistently reliable. When it's time for a replacement, I don't even shop around anymore; I just re-order this one. It’s a proven performer. It Makes Water Taste Like... Nothing: And I mean that as the highest compliment. This CTO (Chlorine, Taste, Odor) carbon block filter is a master at stripping out that chemical, swimming-pool taste that tap water can have. The result is just clean, crisp, pure-tasting water. My coffee tastes better, my cooking is better, and a simple glass of water is genuinely refreshing. A 5-Minute Task for 6 Months of Purity: The replacement process is as painless as it gets. You shut off the water, unscrew the old filter housing, swap the cartridge, and screw it back on. It's a simple, leak-free job that takes less time than making a pot of coffee and ensures great-tasting water for the next half a year. Cons: The Bone I Have to Pick The Most Boring Product I Own: This filter has a critical flaw: it's incredibly boring. It doesn't have an app. It doesn't light up. It just sits silently under my sink and does its job perfectly, day in and day out. There is zero drama, which, I suppose, is exactly what you want from a water filter. The Reminder on My Phone Hates Me: The only real "con" is that I have to be a responsible adult and set a calendar reminder to replace it every six months. The filter can't text me when it's tired. It's a minor inconvenience that is entirely my own fault. Overall Verdict This iSpring FC15 replacement cartridge is the definition of a 5-star product. It’s an affordable, reliable, and incredibly effective filter that consistently delivers excellent results. If you have a compatible 10-inch reverse osmosis or under-sink filtration system, this is the filter you want. It's a simple, essential piece of hardware that has made a noticeable difference in the quality of our water for years. It's a no-brainer repurchase for us every single time.
Trustpilot
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