Fish tank plastic water changer, water change pump, faucet water changer, fish tank cleaning toolProduct name:Fishing tank plastic water changer, water change pump, faucet water changer, fish tank cleaning plasticFeatures:High-quality material, environmentally friendly, sturdy and durable.Simple operation, easy assembly, and convenient water change.Easy to disassemble and store.Equipped with 3 faucet connectors of different sizes.Convenient to change the aquarium water quality and keep the fish tank water clear.Specifications:Color: as shown in the pictureMaterial: ABSSize: as shown in the pictureInstallation instructions:1. Screw the connector into the faucet (the outer diameter of the faucet must be 18 or 19 mm).2. Screw the device into the connector.3. Insert the hose into the device and tighten the nut (the hose size must be 12/16 mm).4. Put the hose into the fish tank.Instructions for use:1. Turn on the faucet, then turn off the switch on the device, and water flows out of the water tank.2. Turn on the faucet, then turn off the switch on the device, and water flows into the water tank.Package includes:1*water changer2*nuts3*faucet connectors2*sealing rings1*3 meters inner diameter 12mm water pipe