This manual mini siphon pump is suitable for small fish tanks, providing an easy and efficient way to change water and clean the tank. The siphon vacuum works by creating a suction that draws out dirty water and waste from the tank gravel. Simply place the tube in the tank, squeeze the pump to initiate the siphon, and let the water flow out. This fish tank cleaner is a must-have for any aquarium enthusiast looking to maintain a clean and healthy tank. Features - Color: Black -Material:Acrylic - Size: 42.00X3.80X3.80cm/16.51X1.49X1.49in -Effortless operation: hand operated mechanism allows for easy and efficient use, suitable for both beginners and experienced aquarium owners -Portable design: the compact and lightweight structure makes it easy to transport and store, fitting seamlessly into any storage space -Versatile functionality: equipped to perform water changes, pump water, clean the tank, and remove fish waste, offering a complete -Frequent water change ensures conducive ambience for fish: without water changes, your fish may have an adverse impact. but, with our product, frequently and it will not take much of your time -Universal fit: compatible with a variety of small fish tanks, ensuring it meets the needs of different aquarium enthusiasts Package list: 4 x aquarium siphon pump