








💧 Elevate your hydration game with iSpring’s ultra-pure water revolution!
The iSpring F4-CUA4 Replacement Pack is a comprehensive 4-stage filtration set designed for the CU-A4 Ultra Filtration System. Featuring a 5-micron sediment filter, a cutting-edge 0.01-micron hollow fiber UF membrane, KDF media combined with activated carbon, and a fine post-activated carbon filter, it effectively removes rust, sand, chlorine, heavy metals, and odors. Easy twist-on cartridges simplify replacement, while eco-conscious design minimizes environmental impact. Supported by lifetime customer service, this pack ensures fresh, great-tasting water with every use.







| Material | Polypropylene (PP) |
| Product Dimensions | 8"D x 10"W x 16"H |
| External Testing Certification | DOT |
| Product Benefits | Improves water taste, reduces odor, removes contaminants including chloramine, hydrogen sulfide, and metals |
| Brand | iSpring |
| UPC | 662425072774 |
| Global Trade Identification Number | 00662425072774 |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Manufacturer | iSpring Water System |
| Part Number | F4-CUA4 |
| Item Weight | 4.39 pounds |
| Item model number | F4-CUA4 |
| Is Discontinued By Manufacturer | No |
| Size | 4 Count (Pack of 1) |
| Color | White |
| Style | 1-Year Filter Replacement Set |
| Pattern | Filtration System |
| Item Package Quantity | 1 |
| Number Of Pieces | 4 |
| Number of Handles | 1 |
| Included Components | UltraFiltration filters |
| Batteries Included? | No |
| Batteries Required? | No |
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