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💧 Elevate your water game — pure, powerful, and built to last!
The iSpring FC15B is a high-capacity activated CTO carbon block filter designed for under sink and whole house water filtration systems. Utilizing premium coconut shell carbon, it removes up to 99% of chlorine, odors, and harmful organic compounds, delivering clean, fresh water for up to 50,000 gallons or 6 months. Compatible with iSpring’s US21B and WGB21B series and standard 10"x4.5" filters, it offers reliable performance backed by a 30-day money-back guarantee and lifetime tech support.












| ASIN | B01M0DVV2B |
| Best Sellers Rank | #3,554 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Whole House Water Treatment Systems |
| Brand Name | iSpring |
| Capacity | 50000 gallons |
| Customer Reviews | 4.7 4.7 out of 5 stars (4,220) |
| Filter Life Cycle | 6 Months |
| Global Trade Identification Number | 00662425080212 |
| Included Components | 1 FC15B CTO Filter |
| Installation Type | Under Sink |
| Item Dimensions L x W x H | 10"L x 10"W x 10"H |
| 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 |
| Part Number | FC15B |
| Power Source | Electric Power |
| Purification Method | Activated Carbon, Carbon Block |
| Smart Home Compatibility | Not Smart Home Compatible |
| 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. |
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