Ecotech Vectra Type:L2 the device uses suction to

the device uses suction to lift debris and sludge from the gravel while returning the water directly to the tank—preserving beneficial substrate structure and reducing disturbance

as well as water turtles

They provide consistent and efficient debris removal

highly nutritious live food alternative suitable for fry

nutrient distribution

Ecotech Vectra Type:L2 the device uses suction toEcoTech Marine has set new standards for equipment in saltwater aquariums. The Vectra is no exception. The worlds smartest return pump can be run on a schedule, wirelessly give you updates on the operation and be automatically configured to work with your specific aquarium setup.