hygger semi-automatic aquarium water changer is perfect for medium and large fish tank use, make it easier to drain or fill the tank with fresh water, it’s not electric, only use the water pressure and siphon. If you don’t want to lift a heavy bucket of water back and forth when doing water changing, this water changer will help you finish the water change easily. If you worry water pump will disturb your fish or plant, this water changer will do the water changing quietly. If you worry the water spills on the ground and makes a mess, this water changer will do the water change quickly and neatly. Water changer Features: 1.Fits on most faucets, it comes with 15/16", M21, 3/4" metal faucet adaptors. 2.The flexible water hose is thick and durable, PVC material made, inner diameter of the hose is 1/2 inch. 3.With 2 orange valves on the water changer connectors, you can control the flow direction of the water. 4.3 hose length available: 25ft, 33ft, 49ft. Choose the right size according to your needs or cut the hose to your needs. 5.There is a porous filter sheet in the gravel tube connector, so no worries for fish sucking. Directions for use: 1.If the faucet has a sprayer or filter head, you need to unscrew that then screw the connector on to the faucet. 2.When drain the water from the tank, the water flow assembly valve should be open, please close the vacuum tube valve at first, after you open the faucet, then you open vacuum valve. 3.In order for suction to be provided, the water needs to remain running while draining tank. 4.The sinks you are using should be level with the tank or lower than it. Package Includes: 1 x flexible water hose 1 x 12.6 inch gravel tube 1 x gravel tube connector 1 x water flow assembly 1 x duckbilled suction head 1 x user manual

?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. ?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. ?Non-electric & Quiet?this aquarium water changer is not electric, no noise no disturb to your fish or plants. All you need to do is to control the 2 valves and open the faucet. With 2 orange built-in control valves on the water changer, to turn it on or off you just need to rotate the valve by 1/4 turn up or down. To add clean water in to aquarium, please remember to keep the water flow assembly valve closed, so when you open the faucet the water will flow into the hose. ?Aquarium Gravel Cleaning ?When you use this water changer to suck away aquarium dirty water, you can move the gravel tube to cleaning the gravel or install the duckbilled on to clean fish feces. With the pressure from the water, the gravels and sands can be sucked up to the gravel tube then to vacuum out the debris in gravel. ?Quickly Change Water ?just use a long flexible hose and 2 flow valves, you can change the aquarium water more quicker and easier, no need electric, it's semi-automatic water changer suitable for medium and large fish tanks. No spill, no mess and no heavy lifting for changing dirty water and adding clean water.

Best Sellers Rank: See Top 100 in Pet Supplies. : B09MLGKHWS. Manufacturer: hygger. Date First Available: September 14, 2021. Package Dimensions: 17.09 x 13.54 x 4.13 inches; 5.56 Pounds.