Aerates from 5 to 30 gallons (192 to 1142 liters) of water. The pump attaches easily to any non-porous surface, 9" (229mm) long spray tube can be custom cut to fit into any container. A fully adjustable spray head increases or reduces flow of water. Foam filtration system keeps water sparkling clean. The kit also includes battery clips for easy attachment to your 12 volt power source.