Package Dimensions: 19.8 x 11.6 x 4.5 cm; 130 Grams Quantity: 1 Batteries Required: No Item Weight: 130 g Features: 1. Simple operation and convenient water change. The quick release joint connects to the faucet. The valve controls the direction and flow of water, enabling sewage suction, discharge, and water change through siphon effect. Easy to use with high water changing efficiency. 2. Made of high-quality ABS plastic, durable and long service life. 3. Includes 3 faucet adapters (0.9 inch / 0.7 inch / 0.74 inch), compatible with most faucets, easy to install and remove. 4. Wide range of application: When connected to a hose, allows easy water changes in tanks. Suitable for home aquariums and fish tanks for efficient water maintenance. Specifications: Material: ABS Includes three different sizes of faucet adapters (0.9 inch / 0.7 inch / 0.74 inch) Package List: 1 x Water Changer 1 x Alloy Faucet Adapter 2 x Faucet Adapters Notes: 1. Due to differences in monitor displays, the image may not reflect the actual color of the item. The style will match the pictures shown. 2. Please allow 1-2 cm variation due to manual measurement. Easy and quick installation: Connect the faucet adapter to the faucet, attach the water changer, connect one end of the hose to the unit, place the other end into the tank, and turn on the faucet to begin water change.