hygger Upgrade Aquarium Water Changer Kit, Semi-Automatic Fish Tank Gravel Cleaner, with 25 FT Water Hose, Flow Control Valve
- ...embly valve closed, so when you open the faucet the water will flow into the hose.
- 【3 sizes available】choose the size according to the distance from your fish tank to the sink faucet, flexible water hose length available: 25ft, 33ft, 49ft. The inner diameter of the hose is 1/2 inch. Each pack comes with a 15/16" threaded faucets adapter (large diameter: 23.8mm) , a M21 threaded faucets adapter (large diameter: 21mm), and a 3/4" threaded faucets adapter (large diameter: 26.4mm). So the water changer can be used for most faucets.
- 【Easy to Install】It's very easy to use, attach the water flow assembly to the faucet. To change water, after connecting the flexible hose to the water flow assembly and the gravel tube, firstly you submerge the gravel tube in the aquarium tank and keep it's orange valve closed, secondly you keep the water flow assembly orange valve open and open the faucet, finally you open the gravel tube valve, the dirty water will be sucked into the hose and flow away.