Description
Undersink Filtration Comparison
Which PureSync™ Undersink System Is Right for You?
Both PureSync™ undersink systems are third-party tested to NSF/ANSI standards for broad-spectrum contaminant reduction and are designed to install neatly beneath your sink without electricity or wastewater. The right choice depends on your space, filtration preferences, and desired system configuration.
| PureSync™ Undersink | PureSync Lite™ Undersink | |
|---|---|---|
| Best For | Customers wanting our most comprehensive undersink filtration system | Customers wanting strong undersink filtration in a more compact and budget-friendly configuration |
| Installation | Connects to cold water line or included stainless steel spigot | Connects to cold water line or included stainless steel spigot |
| Filtration Approach | Our most comprehensive undersink option, featuring a four-stage contaminant reduction configuration for expanded support across taste, odor, heavy metals, PFAS, VOCs, fluoride, and emerging contaminants | A streamlined three-stage undersink configuration designed to support broad-spectrum contaminant reduction while maintaining a smaller overall footprint |
| Contaminants Addressed | Designed to reduce a broad range of contaminants including chlorine, PFAS, VOCs, fluoride, lead, cysts, pharmaceuticals, heavy metals, and more | Designed to reduce many common household water contaminants including chlorine, PFAS, VOCs, fluoride, lead, cysts, heavy metals, and more |
| Flow & Operation | Designed for strong undersink flow with low pressure drop and no electricity required | Designed for strong undersink flow with low pressure drop and no electricity required |
| System Configuration | Four-stage contaminant reduction configuration | Three-stage contaminant reduction configuration |
| System Size | 19″L × 6″D × 19.5″H | 15″L × 4.5″D × 15″H |
| Maintenance | Filters should typically be replaced every 6–12 months depending on usage and water quality | Filters should typically be replaced every 6–12 months depending on usage and water quality |
| Minerals | Preserves beneficial minerals; optional inline mineralizer available | Preserves beneficial minerals; optional inline mineralizer available |
Quick Guidance
Choose PureSync™ Undersink if...
- You want our most comprehensive undersink filtration system
- You want expanded support for taste, odor, PFAS, VOCs, fluoride, and emerging contaminants
- You want a full four-stage contaminant reduction configuration
Choose PureSync Lite™ Undersink if...
- You want strong undersink filtration in a more compact system
- You want broad-spectrum contaminant reduction with a simplified three-stage configuration
- You want a more budget-friendly undersink filtration option
Still not sure which system is right for your home?
We’re happy to help you choose based on your water quality concerns, installation preferences, and available space.
Contact Us for Help ChoosingAt Greenfield Water Solutions, we are dedicated to providing eco-friendly water filtration systems that effectively reduce harmful contaminants, ensuring safer and healthier water for people, plants, animals, and the environment.
Our updated best-selling PureSync Undersink Filtration System embodies this commitment by delivering advanced contaminant reduction through a multi-stage filtration process. This system effectively reduces a wide range of contaminants, including fluoride, arsenic, pharmaceuticals, and many more, ensuring you and your family enjoy safe, high-quality water every day.
Built with premium Italian-made housing and utilizing top-tier, highly vetted filtration technology, the PureSync System is impressively effective for both city and well water applications. Certified to NSF/ANSI standards 42, 53, and 61, the filters included in this system provide reliable reduction of chlorine, lead, VOCs, and cysts. The PureSync also addresses PFAS (per- and polyfluoroalkyl substances)—a challenge for many filters on the market.
Our focus on natural filtration processes ensures that your water is safer and healthier while retaining essential minerals, giving you peace of mind backed by science. We continuously update our filter lineup as new technology emerges, ensuring that we always offer the highest quality, most effective filters available.
Experience the difference with Greenfield Water Solutions’ PureSync Undersink Filtration System—where innovation meets dedication to your health and the environment.

SAFER WATER FOR A HEALTHIER YOU
Certified to NSF/ANSI Standards for Your Peace of Mind
When it comes to your water, trust is non-negotiable. The PureSync Undersink Filtration System is rigorously tested and certified to NSF/ANSI standards, ensuring reliable performance and proven contaminant reduction. These certifications verify the system’s ability to effectively reduce harmful substances like chlorine, lead, VOCs, and more, while maintaining the safety and quality you expect. Backed by third-party testing, you can feel confident knowing every glass of water is a step toward a healthier, safer home. With the PureSync system, your peace of mind is just as important as the purity of your water.


Advanced Filtration Technology for Superior Contaminant Reduction
The PureSync Undersink Filtration System employs a meticulously engineered multi-stage process, integrating proven and innovative technologies to ensure unparalleled water quality. Each stage targets specific contaminants, delivering precise, reliable results.

STAGE 1: High-Capacity Sediment Filter:
The system begins with a sediment filter designed to remove suspended particles such as dirt, rust, and silt down to micron precision. This stage prevents clogging and ensures optimal performance of subsequent filters, prolonging the system’s efficiency and lifespan.
STAGE 2: Compressed Carbon Block Filtration:
The second stage features a high-performance carbon block filter, known for its exceptional adsorption capacity. This filter targets chlorine, chloramine, and volatile organic compounds (VOCs), effectively neutralizing chemical contaminants that affect taste and odor. It also captures heavy metals like lead, ensuring the water meets stringent safety standards.
STAGE 3: Nano-Enhanced Filtration Technology:
At the heart of the system lies an advanced nano-filtration stage, leveraging cutting-edge nanotechnology to address emerging contaminants. This stage is particularly effective in reducing pharmaceuticals, PFAS (per- and polyfluoroalkyl substances), pesticides, and other micro-pollutants that standard filters cannot adequately remove. The nano-filtration technology operates at a molecular level, delivering high-precision contaminant reduction while maintaining water flow rates.
STAGE 4: Inline Granular Carbon Polishing Filter:
The final stage employs a granular activated carbon filter to provide a finishing polish to the water. This step ensures any residual impurities, including organic byproducts, are removed, leaving your water clean, fresh, and ready for use.
OPTIONAL – In Line Mineralization:
The PureSync system preserves all naturally occurring minerals in your water, ensuring no beneficial elements are removed during the filtration process. The optional mineralization module is available for customers who prefer the enhanced taste and added trace minerals like calcium and magnesium. This feature is purely a preference for those who enjoy the subtle flavor profile and potential health benefits of mineral-enriched water, delivering water with a balanced pH and a crisp, refreshing taste.
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Certifications and Standards:
The entire system is designed in compliance with NSF/ANSI certifications (42, 53, and 61), ensuring independently verified performance and safety. These standards confirm the system’s efficacy in contaminant reduction and structural integrity, providing peace of mind with every drop.
This combination of precision engineering and advanced technology makes the PureSync Undersink Filtration System a trusted choice for homes that demand the highest quality water. By reducing contaminants at the molecular level while preserving essential minerals, the system delivers water that is not only clean but truly optimized for health and performance.






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