Description
High-Capacity Series (400 – 1000 GPD)
For tankless RO systems or commercial water stations, these “Heavy-Duty” restrictors are required.
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Flow Restrictor 2000: Generally paired with 400 GPD to 500 GPD systems.
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Flow Restrictor 3000: Optimized for high-output 600 GPD to 800 GPD configurations.
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Flow Restrictor 4000: The largest size in the range, designed for 1000 GPD (Gallons Per Day) commercial RO membranes.
Quick Reference Table: High-Capacity Matching
| Flow Restrictor Size | Equivalent GPD Rating | Connection Type |
| 800 mL/min | 150 GPD | 1/4″ Quick-Connect |
| 1000 mL/min | 200 GPD | 1/4″ Quick-Connect |
| 2000 mL/min | 400 – 500 GPD | 1/4″ Quick-Connect |
| 3000 mL/min | 600 – 800 GPD | 1/4″ Quick-Connect |
| 4000 mL/min | 1000 GPD | 1/4″ Quick-Connect |




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