Description
Undersink Filtration Comparison
Which PureSync™ Undersink System Is Right for You?
Both PureSync™ undersink systems combine multiple filtration stages backed by third-party component testing. Both retain naturally occurring calcium and magnesium and operate without electricity or wastewater. PureSync Original adds a final carbon polishing stage, while PureSync Lite offers the core filtration stages in a smaller, more affordable system.
| Feature | PureSync™ Original Undersink | PureSync Lite™ Undersink |
|---|---|---|
| Best For | Customers wanting our full four-stage system with additional carbon polishing | Customers wanting broad contaminant reduction in a more compact, budget-friendly system |
| Installation | Connects to cold water line or included stainless steel spigot | Connects to cold water line or included stainless steel spigot |
| Filtration Approach | Electroadsorptive filtration, advanced adsorptive filtration, and carbon filtration, followed by a final carbon polishing stage for additional taste and odor refinement | Electroadsorptive filtration, advanced adsorptive filtration, and carbon filtration in a streamlined three-stage system |
| Contaminants Addressed | Chlorine, PFAS, VOCs, fluoride, lead, cysts, pharmaceuticals, heavy metals, and more | Chlorine, PFAS, VOCs, fluoride, lead, cysts, pharmaceuticals, heavy metals, and more |
| Flow & Operation | Designed for strong undersink flow with low pressure drop; no electricity or wastewater | Designed for strong undersink flow with low pressure drop; no electricity or wastewater |
| System Configuration | Four stages, including final carbon polishing | Three core filtration stages |
| System Size | 19″L × 6″D × 19.5″H | 15″L × 4.5″D × 15″H |
| Maintenance | Replace filters every 6–12 months, or sooner as needed based on usage and water quality | Replace filters every 6–12 months, or sooner as needed based on usage and water quality |
| Minerals | Retains naturally occurring calcium and magnesium; optional inline mineralizer available | Retains naturally occurring calcium and magnesium; optional inline mineralizer available |
Testing and certifications apply to individual filtration components as specified in their documentation. Actual contaminant reduction, flow, and filter life depend on water quality, usage, and maintenance.
Quick Guidance
Choose PureSync™ Original if...
- You want our full four-stage undersink system
- You prefer an additional carbon polishing stage for taste and odor refinement
- You have room for the larger system beneath your sink
Choose PureSync Lite™ if...
- You want the core filtration stages in a more compact system
- You have less available space beneath your sink
- You prefer a more budget-friendly option without the final carbon polishing stage
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 ChoosingThoughtfully Selected Filtration
Cleaner Water. Naturally.
At Greenfield Water Solutions, we believe good filtration should reduce what doesn’t belong while preserving the naturally occurring minerals in your water.
The PureSync™ Original Undersink System combines four filtration stages to reduce a broad range of contaminants, including chlorine, lead, fluoride, PFAS, VOCs, cysts, and pharmaceuticals. Its filtration components are backed by third-party laboratory testing.
Built with premium Italian-made housings and American-made filtration technology, PureSync reflects our commitment to quality materials and established, reputable suppliers. We carefully evaluate the components we offer and refine our lineup as filtration technology advances.
PureSync operates without electricity or wastewater and retains naturally occurring calcium and magnesium. An optional inline mineralizer is available for those who prefer added minerals or enhanced taste.
Our team helps you choose the right filtration for your water and provides ongoing guidance with installation questions, maintenance, and replacement filters. For well water, we recommend reviewing a recent water test to determine whether additional treatment is needed.
Testing and certifications apply to individual components as specified in their documentation. Actual performance and filter life depend on water quality, flow rate, usage, and maintenance.
Confidence Through Transparency
Filtration Backed by Science
Knowing how your water filter performs matters. The PureSync™ Undersink System combines carefully selected filtration components backed by third-party laboratory testing for contaminant reduction.
Each stage has a specific role in reducing unwanted substances, including chlorine, lead, VOCs, fluoride, PFAS, and more. We share component data sheets and testing summaries so you can understand the technology behind your system and make an informed choice.
Our commitment extends beyond your purchase, with ongoing support to help you maintain your system and keep it performing as intended.
Testing and certifications apply to individual components and the specific requirements identified in their documentation. Actual performance and filter life depend on water quality, flow rate, usage, and maintenance.
The PureSync™ Original Undersink System combines four complementary filtration stages to reduce unwanted contaminants while retaining naturally occurring calcium and magnesium. Each stage plays a specific role, from capturing fine particles to reducing chemical contaminants and refining taste and odor.
Inside Your PureSync System
Four Stages of Thoughtful Filtration
PureSync™ Original combines electroadsorptive, adsorptive, and carbon filtration to reduce unwanted contaminants while retaining naturally occurring calcium and magnesium.
Stage 1
Electroadsorptive Filtration
An electropositive filter attracts and captures fine particles, including cysts and other particulate contaminants. This technology captures particles smaller than its physical pore size while supporting strong water flow.
Stage 2
Advanced Adsorptive Filtration
Specialized filtration media targets PFAS, fluoride, heavy metals, pharmaceuticals, and other chemical contaminants, adding broad contaminant reduction to the system.
Stage 3
Carbon Filtration
A carbon block filter reduces chlorine taste and odor, helping improve the taste of water used for drinking, cooking, coffee, and tea.
Stage 4
Final Carbon Polishing
An inline carbon filter provides an additional polishing stage for taste and odor refinement. This final stage distinguishes PureSync Original from the three-stage PureSync Lite system.
Optional Addition
Inline Mineralization
PureSync is designed to retain naturally occurring calcium and magnesium. For those who prefer additional minerals or a different taste profile, the optional inline mineralizer adds minerals as water passes through. Its effect on mineral levels and pH depends on your source water and usage.
Filtration components are backed by third-party laboratory testing. Testing and certifications apply to the specific components and requirements identified in their documentation. Actual contaminant reduction and filter life depend on water quality, flow rate, usage, and maintenance.
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