Description
Inline Flow Restrictors (400 mL to 1000 mL)
Optimize Your Water-to-Waste Ratio
The Reverse Osmosis Flow Restrictor is a vital component for any under-sink or countertop RO unit. By restricting the flow of wastewater, it creates the precise back pressure required to force water through the RO membrane, ensuring maximum purification with minimal waste.
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Key Features:
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Universal Compatibility: Standard 1/4″ Quick-Connect (Push-Fit) ports for effortless installation without tools.
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Efficient Performance: Maintains the ideal 3:1 or 4:1 waste-to-pure water ratio, preventing your system from wasting excessive water.
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Durable Design: Encapsulated capillary construction resists mineral buildup and ensures consistent flow rates.
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Maintenance Tip: We recommend replacing your flow restrictor every time you replace your RO membrane (typically every 2 years) to prevent scale buildup from reducing system efficiency.
Selecting the Right Size:
| Flow Rate | Best For | Product Link |
| 300 mL/min | 50 GPD Membranes | Flow Restrictor 300 |
| 420 mL/min | 75 GPD Membranes | Flow Restrictor 420 |
| 450 mL/min | 80 GPD Membranes | Flow Restrictor 450 |
| 550 mL/min | 100 GPD Membranes | Flow Restrictor 550 |
| 800 mL/min | 150 GPD Membranes | Flow Restrictor 800 |
| 1000 mL/min | 200 GPD Membranes | Flow Restrictor 1000 |





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