Feature:1. The bucketless water change tool makes daily maintenance of the aquarium easier, saves a lot of time and effort to up the mess.2. Easy to assemble. Simple operation and convenient water change.3. Simply connect to the faucet, then turn on the faucet and the water will automatically start flowing out of the water tank through the gravel pipe.4. Use the water pressure of the faucet to siphon waste water and debris in the aquarium.5. Comes with 2 adapters, can meet different sizes of faucets.Specification:Item Type: Water ChangerMaterial: PlasticColor: As Pictures Shown Weight: Approx. 133g/4.7ozProduct use: filterHow to use: 1. Turn on the faucet and turn on the switch.2. Water flows into the tank and out of the tank through the connecting pipe.3. Turn off the faucet and switchgear. Package List:1 x Water Changer2 x Adapter