Features: 1.Made of high quality acrylic bracket and plastic material, which is sturdy, durable and eco-friendly. 2.It can automatically fill and shut off inlet water, without electricity. 3.Manual float to adjust water level, avoid tedious adjustment of bracket, flexible range is 13-20cm. 4.Easy to install and use. with the equipped tee connector. 5.Suitable for using in 1.9cm wall thickness of fish tank and aquarium. Specification: Features: 1. Made of high quality acrylic bracket and plastic material, which is sturdy, durable and eco-friendly. 2. It can automatically fill and shut off inlet water, without electricity. 3. Manual float to adjust water level, avoid tedious adjustment of bracket, flexible range is 13-20cm. 4. Easy to install and use. with the equipped tee connector. 5. Suitable for using in 1.9cm wall thickness of fish tank and aquarium. Specification: Condition: Material: Acrylic + plastic Color: As Pictures Shown Size: Approx. 8 x 4.5cm/3.2 x 1.8in(L x W) Package list: 1 x Float Valve 1 x Acrylic Bracket 1 x Tube 2 x Fixed Plug 1 x Connector 1 x Wrench Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.