3DReeF Dual Random Flow Generator Kit .It generates a Random Flow pattern in your aquarium...

The Random Flow Generator or RFG Nozzle can help to create a more natural, randomized flow pattern within an aquarium.

Just Remove your nozzles from The Y conection and Pop the new ones in..

Each kit comes with 2 x 1/4 RFG that will fit perfectly on your aquarium

this kit will fit

Waterbox AIO 30.2

Waterbox AIO 35.2

Waterbox AIO 40.2

Waterbox AIO 65.4 needs TWO of these kits because it has 4 outputs

Waterbox AIO 50.3 needs TWO of these kits because it has 4 outputs