

💧 Elevate your water game — because your health deserves the best!
The iSpring FC15 is a 10" x 2.5" CTO carbon block water filter cartridge designed for under-sink reverse osmosis systems. It delivers 5 micron filtration, removing up to 99% of chlorine, taste, and odor compounds, while preserving healthy minerals. Certified to NSF/ANSI Standard 42, it filters up to 6,000 gallons at 1 GPM, ensuring long-lasting, fresh-tasting water with reliable US-based customer support.













| ASIN | B00S5E5NJQ |
| Best Sellers Rank | #8,582 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Replacement Countertop Water Filters |
| Brand Name | iSpring |
| Customer Reviews | 4.6 4.6 out of 5 stars (863) |
| External Testing Certification | ANSI |
| Global Trade Identification Number | 00662425070275 |
| Included Components | 1x FC15 CTO Filter |
| Item Dimensions D x W x H | 3"D x 10"W x 3"H |
| Item Type Name | iSpring FC15 - 10" CTO Carbon Block Filter Cartridge, 10" x 2-1/2" , 5 Microns |
| Item Weight | 9.9 Ounces |
| Manufacture Year | 2018 |
| Manufacturer | iSpring Water Systems |
| Manufacturer Part Number | FC15 |
| Material Type | Carbon Block |
| Model Number | 1 |
| Number of Items | 1 |
| Product Benefits | Removes Chlorine, various natural organic compounds, taste and odor compounds, and synthetic organic chemicals |
| Set Name | iSpring FC15 CTO Carbon Filter |
| UPC | 662425070275 |
| Unit Count | 1 Count |
J**I
excellent ispring customer service.
Excellent customer service with ispring water, They sent me a whole new unit CKC1C because no longer make filter for old housing, which I had purchased this for. The filter works well. You can see the accumulation of sediment very rust colored on used filter it does the job. I actually use this to wash my hands and do dishes because of chemical sensitivity, my hands don't break out as they can with straight tap water.
J**Y
Filter works well
The filter works well for me. The water tastes good and I use it in my ice maker
R**I
Perfect Buy
Great Price Fast Shipping
D**D
just what i needed
seems ok - water takes good
C**A
Excelente, lo recomiendo
A**N
Excelente!. Tocaba cambiar el filtro y pensaba que el sabor iba a cambiar, pero no. Es una alternativa muy bien recomendada.
A**R
we do need clean food and water.
Why did you pick this product vs others?: This is a good product when it arrives in good order unfortunately it was not packed safely.
P**A
Cleaner water fast.
Works well, especially the first three months. Easy to replace. Nice, clear, flavor free water. Great!
B**Y
so easy to set up water tastes great all the mind controlling chemicals gone
C**T
Good item water is clear
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.
L**.
Je cherchais une cartouche qui enlève le goût de l’eau sans donner le goût de charbon, celle ci est parfaite! Je recommande pour en élever le goût de chlore et épurer l’eau du robinet.
S**L
Super
Trustpilot
3 weeks ago
2 weeks ago