[Multifunctional Tool for Wide Application]: Aquarium vacuum cleaner for multifunctional use, changing water of fish tanks, cleaning gravel or siphon waste out of aquarium, suitable for 16' height [Easy to Operate]: Water will automatically flow out by squeezing the siphon bulb several times [Inlet Nozzle with Filter Net]: Prevents gravels and fishes from being sucked into hose, effectively clean up the underwater world [Safe & Durable Material]: Made by ABS, perfect for using in water, BPA-free material guarantees no harmful effect on fishes [Easy to Maintain]: Simple & Compact design for easy cleaning after use, save your time for precious moment with your adorable fishes