VCA Flex Series 1/4" Random Flow Generator
VCA Flex Series 1/4" Random Flow Generator is a patented aquarium return nozzle designed to produce natural, randomized water flow in nano and pico aquariums without relying on moving parts. Compatible with genuine 1/4-inch Loc-Line and similar modular hose systems, this compact flow nozzle helps improve circulation, reduce dead spots, and create more dynamic water movement for corals and aquatic life. Ideal for aquariums up to 5 gallons, the VCA Flex Series 1/4" Random Flow Generator combines durable reef-safe construction with proven fluid dynamics technology to enhance overall aquarium flow and water quality.
VCA Flex Series 1/4" Random Flow Generator
Wide compatibility
Works with genuine 1/4in Loc-Line modular hose and most other modular hoses of similar size
Unique Patented Internal Design
Same trusted design as the original Random Flow Generator® Nozzle
Includes a single Flex Series 1/4in Random Flow Generator® Nozzle
- Creates a random flow pattern with no moving parts!
- Designed for Nano and Pico tank
- UNIQUE PATENTED INTERNAL DESIGN
Flow recommendations
The 1/4 RFG Nozzle is designed for small 5-gallon or less Nano and Pico aquariums. The "Optimal" GPH recommendation is just a suggested flow rate, so we encourage you to experiment
Minimum GPH - 80-100
Suggested Optimal GPH - 120-140
Rerecorded MAX GPH - 225
|
Model |
Minimum GPH |
Suggested Optimal GPH |
Rerecorded MAX GPH |
|---|---|---|---|
| Single 1/4in RFG (RFG025 ) | 80-100 | 120-140 | 225 |
| Two 1/4in RFGs (RFG025) | 120-150 | 200 - 300 | 400 |