Flow accelerators are designed to add increased and varied directional flow patterns to aquariums. When used as the plumbing return fitting these units greatly enhance your aquariums flow. Fits screw size of 3/4″ or 19mm. Flow accelerator is approx. 15cm long. Can be attached to an outlet tube of 19mmID.
* Vortex Nozzle for random flow, suitable for fresh and salt water.
* Increase Water Flow up to 400%
* High quality durable ABS plastic construction
* Compact size and light weight