iSpring 4-Stage Ultra Filtration Under Sink Water System, 0.01-Micron, Removes 99.99% Contaminants, Quick Filter Change with Brushed Nickel Faucet, w/up to 1-Year Replacement Filter Set (Model: CU-A4)
$309.99
About this item
- Advanced 4-Stage Filtration: The iSpring CU-A4 effectively reduces chlorine, lead, heavy metals, VOCs, and harmful contaminants, delivering clean and safe drinking water straight from your tap.
- Improved Taste & Odor: Enjoy fresh, crisp water by removing unpleasant taste, chlorine smell, and chemical residues, making it ideal for cooking, beverages, and direct consumption.
- Compact & Easy to Install: Designed for under sink use, the CU-A4’s space-saving build fits neatly in kitchens, apartments, or RVs. DIY-friendly installation requires no plumbing experience.
- Durable & Reliable Performance: Constructed with high-quality materials, the CU-A4 ensures consistent filtration and dependable long-term use, providing better water at your convenience.
- Includes Replacement Filters (F4-CUA4): Bundle comes with a complete filter set for up to 1 year of use, ensuring continuous fresh water without the hassle of frequent reorders.
Frequently Bought Together

iSpring CU-A4F4 4-Stage Ultra Filtration Under Sink Water System, 0.01-Micron, Removes 99.99% Contaminants, Quick Filter Change with Brushed Nickel Faucet, w/up to 1-Year Replacement Filter Set (Model: CU-A4)
$309.99
- Availability: In Stock
- Model: CU-A4F4
- Manufacturer: iSpring
- Product Dimensions: 15.00"L x 4.00"W x 13.50"H
- Product Weight: 11.00 LB
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CU-A4 Manual