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iSpring US31 Classic 3-Stage Under Sink Water Filtration System, Tankless, High Capacity, Sediment + Carbon + Carbon & F3 6-Month Prefilter Replacement Supply Filter Cartridge Pack Set, F3, White

Price: $132.35 $115.06
Product prices and availability are accurate as of 2026-01-27 05:57:12 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com at the time of purchase will apply to the purchase of this product.
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Product Features

Product 1: [Classic Drinking Filter]:The water flows through PP sediment filtration, dual CTO carbon filtration, and the 2nd layer contains unique CTO filtration. It removes common sediments in drinking water, like dust, sand, particles, dirt and rust. Effectively removes heavy metals, harmful chemicals, cloudiness, colors and more. It removes not only harmful pollutants but also chlorine taste and odor.

Product 1: [Fresh Healthy Water Supplier]: The on-demand fast flow rate of the iSpring US31 allows it to meet the widest possible range of needs in your home. Up to 20x more effective than the common water pitcher dispenser. Flow Rate: Up to 1GPM depending on source water pressure. Maxim Pressure: 90psi. It washes fresh produce like fruit and vegetables, brings health protection, can provide your entire family with delicious, clean water straight from your tap.

Product 1: [Excellent Quality and Design]: Features beautiful European-designed brushed nickel all-metal faucet and clear see-through 1st stage housing. Clear see-through 1st stage housing makes filter inspection a snap. Manufactured to comply strictly with FDA standards and tested by independent third party against NSF/ANSI standards (42, 53, 61) for water quality, material safety and structural integrity.

Product 1: [Easy to Install and Maintain]: This system is designed for easy installation, low maintenance, and features dual carbon block filters along with a high-capacity sediment filter. The sediment filter protects and extends the life of your system, while the carbon block filters work to remove many harmful contaminants a. You can replace the filter every 6 to 12 months, judged by the water’s taste.

Product 2: Individually wrapped 6-month high capacity prefilter replacement cartridge pack for most standard RO filtration systems

Product 2: Experience clean, safe, and good-tasting water every time you turn on the faucet

Product 2: 3 pieces of 10" x 2. 5" replacement water filters included: 1x sediment filters, 1x granular activated carbon filters, and 1x carbon block filters.

Product 2: This filter pack does NOT include an RO membrane


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