Integrated duckbill nozzle strainer, which can effectively the inhalation of and . The squeezer pump generates quick suction to start the siphon. This smaller suction tube allows for enough for time to clean the aquarium and suck away the fish droppings. Suitable for aquarium water changer and fish for under 10 gallons of is for ideal for 5 gallon fish tanks. Handy on/off control for is used to easily and accurately control the amount and speed of water.