Features 1,WITH REGULATING VALVE: Water changer with adjustment valve, not only can be used for water change, but also can be used as a fish tank over water tool. 2,ADJUSTABLE WATER VOLUME: Aquarium water changer faucet adapter is easy to use. The regulating valve can adjust the amount of water as needed, and can be adjusted to drip status. 3,EASY TO MAINTAIN: Fish tank faucet nozzles connectors make daily maintenance easier by opening the valve and draining the water, saving a lot of time and effort to clean up the debris. 4,EASY TO ASSEMBLE: Aquarium faucet nozzles connectors are easy to assemble, simple to operate, convenient to change water, with a tee connector, more convenient to connect the hose. 5,ROBUST AND DURABLE: Fish tank water changer faucet adapter is made of PP, metal, toughness, corrosion resistance, not easy to damage, long service life. Specifications: Item Type: Fish Tank Water Changer Faucet Adapter Material: PP, Metal Use: External Filter Barrel With Three Way Water Changer Package List 1 x Water Changer 1 x 3 Way 2 x Fixed Ring Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.