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💧 Elevate your water game — pure, powerful, and built to last!
The iSpring FC15B CTO Filter is a high-capacity, SGS-tested activated carbon block filter designed for under sink and whole house water filtration systems. It removes up to 99% of chlorine, odors, and harmful organic compounds, delivering fresh, clean water for up to 50,000 gallons or 6 months. Compatible with iSpring US21B and WGB21B series and standard 10" x 4.5" filters, it ensures long-lasting, premium filtration with zero carbon ash leaching.


















| ASIN | B01M0DVV2B |
| Best Sellers Rank | 57,701 in DIY & Tools ( See Top 100 in DIY & Tools ) 28 in Under-Sink Filters |
| Brand | iSpring |
| Capacity | 50000 gallons |
| Country Of Origin | China |
| Customer Reviews | 4.7 4.7 out of 5 stars (591) |
| 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 | 25.4L x 11.4W x 25.4H centimetres |
| Item Highlight | For WGB21B Series whole house systems. Carbon block. 1 Pack. |
| Item Type Name | for Under Sink and Whole House Water Filtration System |
| Item Weight | 2.7 Pounds |
| Manufacturer | iSpring Water Systems |
| Manufacturer Part Number | FC15B |
| Material Type | Carbon Block |
| Model Name | FC15B High Capacity Activated CTO Carbon Block Water Filter |
| Model Number | 1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Other Special Features of the Product | UV Light Disinfection |
| Power Source | Electric Power |
| Purification Method | Activated Carbon, Carbon Block |
| Supported Water TDS Level Maximum (PPM) | 300 |
| UPC | 662425080212 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 125 Degrees Fahrenheit |
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