Description
The Pentair GRO75-HE 4-Stage Reverse Osmosis System delivers high-efficiency drinking water purification with dependable performance and minimal waste. Designed for residential under-sink installation, this four-stage RO system uses Pentair’s advanced GRO (Green Reverse Osmosis) membrane technology to reduce dissolved solids and a broad range of common contaminants, while optimizing water use and improving the taste, clarity, and safety of your tap water.
With a 75-gallon-per-day (GPD) production capacity, this system is ideal for everyday household use, providing refreshing, great-tasting water for drinking, cooking, beverages, and ice-making.
4-Stage Filtration Process
- Sediment Pre-Filter – Removes sand, silt, rust, and particulate matter
- Carbon Pre-Filter – Reduces chlorine, taste, and odor to protect the RO membrane
- GRO High-Efficiency RO Membrane – Reduces dissolved solids and a wide range of contaminants
- Post-Carbon Polishing Filter – Enhances taste and freshness of purified water
Key Features & Benefits
- High-efficiency GRO membrane for enhanced water recovery
- 75 GPD production suitable for most residential needs
- Reduces TDS, chlorine, heavy metals, fluoride, nitrates, and more
- Compact under-sink design with dedicated RO faucet
- Easy-to-change filter cartridges
- Improves overall drinking water taste and quality
Applications
- Home under-sink drinking water purification
- Kitchen ice maker and beverage water
- Municipal or properly pre-treated well water
What’s Included
- 4-stage RO filtration assembly
- GRO membrane
- Pre- and post-filters
- Storage tank
- Dedicated drinking water faucet
- Installation tubing and hardware
Maintenance & Filter Replacement
- Sediment & carbon filters: every 6–12 months (depending on water quality)
- RO membrane: every 2–3 years (depending on usage and feed water)
- Simple cartridge changes designed for homeowner or technician service
Why Choose the Pentair GRO75-HE RO System
- Trusted Pentair water filtration technology
- High-efficiency design minimizes waste while maximizing clean water
- Consistent daily production for household demand
- Enhances hydration, cooking water, and beverage quality
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