# ISPRING 6-Month Prefilter Replacement Supply Filter Cartridge Pack Set for US31-NC

**Brand:** [ISPRING](https://shop.coreranger.com/brands/ISPRING)
**SKU:** F3-NC
**Price:** $49.33 · in stock
**URL:** https://shop.coreranger.com/product/ispring-6-month-prefilter-replacement-supply-filter-cartridge-pack-set-for-us31-nc-332763537

## Specifications

| Spec | Value |
|---|---|
| Model # | F3-NC |
| Reduces | Chloramine,Chlorine,Chlorine Taste,Odor,Other,PFAs,PFOA/PFOS,Rust,Sand,Sediment |
| Features | No additional features |
| Pack Size | 1 |
| Internet # | 332763537 |
| Returnable | 90-Day |
| Store SKU # | 1012812609 |
| Filtration Method | CTO,Carbon Block,GAC,Sand,Sediment |
| Product Depth (in.) | 2.5 in |
| Product Width (in.) | 2.5 in |
| Product Height (in.) | 10 in |
| Product Weight (lb.) | 2 lb |
| Manufacturer Warranty | 30 days |
| Brand/Model Compatibility | US31-NC |
| Number of filters included | 3 |

## Description

Keep your US31-NC under-sink water filtration system running at peak performance with this individually wrapped 6-month high capacity prefilter replacement cartridge pack. Designed for exceptional filtration, this pack includes 3-essential filters: 1-sediment filter, 1-granular activated carbon filter, and 1-carbon block filter, each measuring 10 in. x 2.5 in. With catalytic carbon technology, this system can eliminate up to 99.4% of chloramine, surpassing standard filters that only remove 40-50%. Enjoy safe, clean water that retains healthy minerals without reducing Total Dissolved Solids (TDS). For TDS removal, consider our iSpring Reverse Osmosis systems. Remember to unwrap the cartridges before use for optimal performance.