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COSTWAY AW-RB05 Alkaline PH+ Reverse Osmosis Water Filter, 800 GPD Tankless Under-Sink RO System with 8-Stage Filtration, Smart LED Faucet, 2:1 Pure to Drain Ratio, High-Efficiency Water Purification

Price: $229.99
Product prices and availability are accurate as of 2026-04-17 02:18:51 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.
Availability: In Stock
In Stock
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Product Features

?Advanced Filtration Performance?Featuring a 0.0001µm RO membrane, this reverse osmosis water filter significantly reduces common water impurities such as PFOA, lead, fluoride, and TDS to improve water quality for daily use.

?Comprehensive 8-Stage Filtration?Equipped with an 8-stage system including PP fiberfill, activated carbon, and scale inhibitor membrane, this under-sink RO system offers efficient 2:1 pure-to-drain ratio for optimized water usage. The Alkaline filter adds minerals to enhance taste. 800/600 GPD water flow fills a 6oz cup in just 5/7 seconds.

?Compact Tankless Design?This under-sink RO system saves 70% under sink space with a footprint of 15" x 5.5" x 15.5". The tankless design minimizes water stagnation, helping maintain water freshness.

?Real-Time Water Quality Monitoring?Smart LED faucet with 360° swivel provides instant TDS level readings and filter status. Replace filters when indicator turns red.

?Easy Filter Replacement?Includes 12-month PCT and 24-month RO filters with simple twist-and-pull design. Auto-flushing supports longer filter life and maintains system efficiency.

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