La description
Ecofilter Flow Restrictor 300 - ¼″ Push-Fit RO Line
The Ecofilter 300 Flow Restrictor is designed to regulate the drain (reject) line flow on reverse osmosis systems. With a flow rate of approximately 300 ml/min and ¼″ push-fit connections on either end, it helps maintain correct pressure, protect the RO membrane, and ensure efficient water production vs waste ratio.
Key reasons to use this restrictor
- Maintains back-pressure on the RO membrane for optimal performance
- 300 ml/min flow rating — matched to standard RO drain output
- ¼″ push-fit in/out connections — secure & easy to install
- Prevents excessive waste water while ensuring good water quality
- Durable design for long-term use
Key features
- Flow capacity: ~ 300 ml/min
- Connection size: ¼″ push-fit inlet & outlet
- Function: Flow restrictor (drain line) for RO systems
- Material: Durable plastic / food-grade material (confirm exact type)
- Application: RO systems needing correct waste vs production ratio
Unsure if this restrictor fits your system?
Send us your membrane capacity (GPD) or model, and we’ll check that this 300 restrictor matches your system's drain flow. Proper sizing helps extend membrane life & reduce waste.
What’s in the box
- 1 × Ecofilter Flow Restrictor 300 (¼″ push-fit)
Installation & Care Notes
- Install in the drain (reject) line between the membrane outlet & waste outlet
- Ensure tubing fits push-fit ports cleanly for secure seal
- Avoid bending or kinking tubing just past the restrictor to maintain correct flow
- Inspect periodically for restriction blockages or wear
Related Ecofilter Spares
Also see our check valves, shut-off valves, pressure switches, and membrane housings to ensure proper function & protection of your RO system.
