哪些家用水槽下（柜下）净水系统评分最高？
| Product ⇅ | Price ⇅ | 过滤容量 (gallons) ⇅ | 流量 (GPM (Gallons Per Minute)) ⇅ | 污染物去除 ⇅ | 安装难度 ⇅ | 保修 (years) ⇅ | 进水水压要求 (PSI (Pounds per Square Inch)) ⇅ |
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APEC APEC ROES-50 Essence Series Reverse Osmosis System
US
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£158.36 ≈ | — | 50 gallons per day | 去除多达99%的污染物 | 易至中等（台下DIY安装） | 注册后享2年延长制造商保修 | 40-85 psi |
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Five-stage under-sink RO system that produces up to 50 gallons per day, includes a 4 gallon tank and designer faucet, and is WQA Gold Seal certified for high contaminant rejection. Suited for homeowners wanting high-purity drinking water and DIYers comfortable with standard under-sink installation.
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Clearly Filtered Clearly Filtered 3-Stage Under-Sink Filtration System
US
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£368.58 ≈ | 2000 gallons | 1.08 GPM | 232+种污染物 | 100% DIY；只需一把扳手 | 有限终身保修（保修期为24个月） | 设计用于标准住宅水压（约60 psi） |
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Three-stage under-sink system using Affinity filtration to remove a wide range of contaminants while retaining beneficial minerals. Suits homeowners or renters who want high contaminant removal without a separate faucet and prefer a DIY install. |
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Cloud Ro Cloud RO Under-Sink Reverse Osmosis System
US
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— | 80 GPD | 0.05 GPM | 减少TDS并去除多达99%的多种污染物，包括铅、氟化物、PFAS、农药、药物 | 中等DIY（30-60分钟） | 1年 | 50 PSI（在50 PSI测试） |
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iSpring iSpring RCC7AK 6-Stage Reverse Osmosis System
US
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£174.97 ≈ | 75 GPD | — | 去除多达99%的1000多种污染物，包括氟化物、铅、砷、石棉、铬、铜、总溶解固体（TDS） | 适合DIY；推入式接头和颜色编码管线简化安装 | 1年有限制造商保修（注册后） | 40-85 psi |
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6-stage under-sink RO with alkaline remineralization producing up to 75 gallons per day and restoring healthy minerals for better taste. Suited for households wanting high contaminant reduction and bottled-water quality on tap.
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NU Aqua NU Aqua Under Sink Reverse Osmosis System 5-Stage
US
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£148.88 ≈ | — | 100 GPD | 可去除多达99%的污染物 | 无需水管工，易于安装（少于一小时） | 3年保修 | — |
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5-stage under-sink reverse osmosis system rated for 100 gallons per day with multi-stage carbon and RO membrane filtration. Suited for households needing high daily output and comprehensive contaminant reduction, with simple DIY installation and a supplied storage tank and faucet. |
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Waterdrop Waterdrop G3P600 6-Stage Reverse Osmosis System
US
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£292.82 ≈ | — | 600 GPD | 去除TDS、PFAS、氟化物、铅、六价铬、氯（可减少多种污染物） | DIY安装约30分钟（需要台下供电） | — | — |
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Tankless under-sink RO that produces 600 gallons per day with an on-demand fast flow, smart LED faucet and multi-stage filtration to remove PFAS, heavy metals, fluoride and reduce TDS; suited for households wanting high-capacity, space-saving, high-performance filtration.
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Waterdrop Waterdrop G3P800 Tankless Reverse Osmosis System
US
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£632.16 ≈ | CF过滤器最多6个月或550加仑；CB过滤器最多12个月或1100加仑；RO过滤器最多24个月或2200加仑 | 800 GPD | 去除PFAS、氟化物、铅、铬及重金属；符合NSF/ANSI 42、53、58、372认证 | DIY 台下安装，约30分钟 | 1年 | 建议60 PSI |
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Tankless under-sink RO system with 10-stage filtration and UV sterilization producing up to 800 GPD; includes smart faucet with real-time TDS display. Suited for households who want high-flow RO water on demand and space-saving installation.
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