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💧 Elevate your water game—pure, fresh, and worry-free hydration at every faucet!
The iSpring FC15B is a premium activated carbon block CTO filter designed for under-sink and whole house water filtration systems. It removes up to 99% of chlorine, bad tastes, odors, and harmful organic compounds, delivering clean, refreshing water. With a robust 50,000-gallon capacity and compatibility with standard 10" x 4.5" filters, it offers long-lasting, reliable performance backed by a 30-day money-back guarantee and lifetime tech support.
| ASIN | B01M0DVV2B |
| Best Sellers Rank | #3,256 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Whole House Water Treatment Systems |
| Brand Name | iSpring |
| Capacity | 50000 Gallons |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,151) |
| Global Trade Identification Number | 00662425080212 |
| Included Components | 1 FC15B CTO Filter |
| Installation Type | Under Sink |
| Item Type Name | for Under Sink and Whole House Water Filtration System |
| Item Weight | 2.7 Pounds |
| Manufacturer | iSpring Water Systems |
| Material Type | Carbon Block |
| Model Name | FC15B High Capacity Activated CTO Carbon Block Water Filter |
| Model Number | 1 |
| Other Special Features of the Product | UV Light Disinfection |
| Power Source | Electric Power |
| Purification Method | Activated Carbon, Carbon Block |
| UPC | 662425080212 |
| Unit Count | 1.0 Count |
| Warranty Description | Your risk-free shopping experience is backed by a 30-day money-back guarantee and lifetime tech support from iSpring in Atlanta, GA. |
D**L
These clean your water very well
These filters are very good products. I’ve used them for years and will continue using.
J**.
Reliable, Perfect Fit, and Worth the Price
Yes, it costs a bit more than the knock-offs—but after trying those, I’m done experimenting. The iSpring FC15B fits every time, no forcing, no leaks, no “is this seated correctly?” stress. That alone makes it worth the extra cost. Water quality is consistently great, and the carbon block does exactly what it’s supposed to do—noticeably better taste and odor reduction right away. It works flawlessly in my under-sink system and gives the peace of mind you want when it’s part of your whole-house setup. I’ve learned the hard way that saving a few dollars on off-brand filters usually leads to frustration or replacements. This one just works, installs cleanly, and performs as advertised. Sometimes paying a little more is actually the cheaper option. Highly recommend.
K**R
Whole house water filter
So far so good, easy installation. May have to replace sooner than later due to water quality
A**N
Clear water
For us, this has been a very useful purchase. Water is clear after passing though this filter.
R**S
Will recommend
Great product
M**A
Easy customer service
Had it explode do to possible pressure build up or something off the 5hp well pump. Contacted support and they asked questions, I supplied the pictures and explained and they completely replaced. Was much appreciated! Awesome and thank you again.
J**R
Fits our water filter
Works well. Water tastes fine.
A**A
Great customer service
Had a problem with the wrong item being shipped but Nick from Ispring was very helpful and got the correct product on the way.
A**M
La única crítica que tengo, es que es caro. Deberían haber paquetes que permitan abaratar sustancialmente el producto.
L**O
This ispring carbon filter works perfectly. Last a long time and removes the bad chlorine taste and smell. No noticeable drop of pressure. It’s the only one i buy now. For a family of 4. On municipal water i change it once a year.
A**R
Brilliant value for money, good all round filter
A**R
Excellent filters, excellent customer service. Would recommend!!!!!
R**T
Not as good as previous carbon filters of other grands I have used
Trustpilot
1 week ago
2 weeks ago