If you want instant access to purified water in your kitchen, the best under sink water filtration system with faucet is the way to go. Unlike direct-connect filters that use your existing tap, these systems include a dedicated drinking water faucet. This setup keeps your regular tap water for cleaning and washing while delivering crisp, clean, filtered water through its own spout for drinking, cooking, and making coffee or tea.
Under sink systems with faucets often use multi-stage or reverse osmosis (RO) filtration, meaning they can remove hundreds of contaminants including chlorine, lead, fluoride, arsenic, PFAS, pesticides, and more. In this guide, we’ll explore the best high-quality systems (all $300+) that provide excellent filtration, stylish faucets, and long-term reliability.
Quick Picks: Best Under Sink Water Filters with Faucet
- Best Overall: APEC Top Tier 5-Stage Reverse Osmosis System – Reliable RO system with a chrome faucet included.
- Best Budget: iSpring RCC7AK 6-Stage RO Filter System – Affordable, mineral-enhanced water, faucet included, under $350.
- Best Premium: Waterdrop G3P800 Tankless RO System – Smart tankless design, fast flow, premium faucet included.
Buyer’s Guide: Why Choose a System with a Separate Faucet?
Before diving into reviews, here’s why a system with its own faucet might be right for you:
- Dedicated Drinking Water: Keeps filtered water separate from tap water used for cleaning or washing dishes.
- Advanced Filtration: Multi-stage and RO systems remove far more contaminants than standard carbon filters.
- Better Taste: Removes chlorine and chemicals that alter flavor and odor.
- Stylish Faucet Options: Many systems come with elegant faucets that match modern kitchen décor.
- Long-Term Value: Higher upfront cost but cheaper per gallon than bottled water.
Detailed Reviews: Best Under Sink Water Filtration Systems with Faucet
1. APEC Top Tier 5-Stage Reverse Osmosis System
Who it’s for: Families who want dependable RO performance with a dedicated faucet.
- Key Benefits: Removes up to 99% of contaminants, including lead, arsenic, and fluoride.
- Pros: Long-lasting filters, strong contaminant removal, chrome faucet included.
- Cons: Takes up more cabinet space compared to tankless systems.
Verdict: A proven system with dependable results. Check Price on Amazon
2. iSpring RCC7AK 6-Stage RO System
Who it’s for: Buyers who prefer mineralized water with balanced taste.
- Key Benefits: Adds calcium and magnesium after RO for improved flavor.
- Pros: Affordable, strong contaminant removal, faucet included.
- Cons: Slower flow than premium tankless systems.
Verdict: Best for those who want mineral-rich water at a reasonable price. Check Price on Amazon
3. Waterdrop G3P800 Tankless RO System
Who it’s for: Anyone who values space-saving design and fast water flow.
- Key Benefits: Tankless design, smart monitoring system, faucet included.
- Pros: High capacity (800 GPD), compact, sleek look, premium faucet.
- Cons: Higher upfront cost compared to tank systems.
Verdict: The top premium option for modern kitchens. Check Price on Amazon
4. Home Master TMAFC Artesian RO Filter System
Who it’s for: Families who want clean water with a fresh, natural taste.
- Key Benefits: Remineralizes twice for improved flavor.
- Pros: Great-tasting water, reliable brand, faucet included.
- Cons: Takes more under sink space than compact filters.
Verdict: A solid choice for those who want artesian-style water at home. Check Price on Amazon
5. Frizzlife PD600 RO System
Who it’s for: Those who want eco-friendly RO with low wastewater ratio.
- Key Benefits: 600 GPD, tankless, 1.5:1 pure-to-waste ratio, faucet included.
- Pros: High efficiency, space-saving, stylish faucet.
- Cons: Filters are pricier than traditional RO systems.
Verdict: Best eco-friendly premium option. Check Price on Amazon
6. Bluevua RO100ROP Water Filtration System
Who it’s for: Buyers who want bottled-water quality straight from their sink.
- Key Benefits: Multi-stage RO filtration with included faucet.
- Pros: Excellent contaminant removal, modern faucet, stylish design.
- Cons: Higher price compared to budget systems.
Verdict: A premium RO system with reliable performance. Check Price on Amazon
Comparison Table: Best Under Sink Water Filtration Systems with Faucet
| Name | Key Features | Stages | Price Link |
|---|---|---|---|
| APEC 5-Stage RO | Reliable, chrome faucet | 5-Stage RO | View Price |
| iSpring RCC7AK | Remineralization, faucet included | 6-Stage RO | View Price |
| Waterdrop G3P800 | Tankless, smart design | Multi-Stage RO | View Price |
| Home Master TMAFC | Double remineralization | 7-Stage RO | View Price |
| Frizzlife PD600 | Eco-friendly, low waste | Tankless RO | View Price |
| Bluevua RO100ROP | Bottled-water quality | Multi-Stage RO | View Price |
FAQ: Under Sink Systems with Faucet
1. Why do these systems come with a separate faucet?
They separate filtered drinking water from unfiltered tap water, protecting your filter and ensuring better water quality.
2. Can I install the system myself?
Most are DIY-friendly and include detailed instructions. A plumber can also install it for faster setup.
3. How long do the filters last?
Carbon filters last 6–12 months, while RO membranes typically last 2–3 years.
4. Do these systems remove fluoride and heavy metals?
Yes — reverse osmosis systems are among the best at removing fluoride, lead, and arsenic.
5. Do they reduce water pressure?
Dedicated faucets are designed for filtered water flow, so they won’t affect your main kitchen faucet pressure.
Conclusion: Choosing the Best Under Sink Water Filtration System with Faucet
The best under sink water filtration system with faucet is a smart investment for anyone who wants fresh, clean drinking water right in the kitchen. The APEC 5-Stage RO is the best all-around choice. For those who want mineralized water, the iSpring RCC7AK delivers excellent value. And for premium performance, the Waterdrop G3P800 stands out as a sleek, high-capacity system.
Ready for better water? Choose one of the systems above today and enjoy pure, great-tasting water from your dedicated kitchen faucet.