Superfish Aqua Flow 4 Air Pump. Designed for fish tanks/aquariums and ponds (must be kept dry).
It has 4 outputs to connect airlines to along with a knob to adjust the airflow.
Other smaller sizes are available.
NOTE: We have Air Tube and Air Stones for sale within our Amazon Shop. Add to this order for FREE postage
IMPORTANT: If you are going to place the Air Pump below the surface of the water, you MUST use a Non-Return valve to prevent water syphoning back into the unit in the event of the pump being turned off, or power cuts etc. Please check our Amazon Storefront to find these