Aquarium Cleaner Multifunctional Cleaning Kit 2 in 1 - The gravel cleaner is perfect for the change of water and sand washing. The aquarium pump The nozzle fillet prevents the absorption of juvenile fish, grass and gravel Compressed structure of the aquarium cleaner - equipped with a freshwater pipe (183 cm) and 2 hardwater pipes (28 cm x 2). The hole of the gravel cleaner is tightly linked without worrying about the water spill problem Aquarium filter anti-return valve design, note: The pump being a one-way pump, it is necessary to place one end of the QV letter against the water outlet Aquarium Water change, the pump is easy to enter, simply press the pump multiple times, the water starts automatically. The high quality PVC pipe will not comply with blocking water flow, simply fold in any position and adapt to your use. (Please note: The position of the water output must be less than the input) Aquarium cleaner, the aquarium gravel cleaner can be divided into different parts and you