Aquarium Auto Water Filler Fish Tank Add Water Device Water Filter Fish Tank Accessories Description: 100% brand new, high quality Features: 1. Made of high-quality material, sturdy and durable. 2. Designed with the differential pressure principle for easy place and replenishment. 3. Suitable for the most small and medium fish tanks whose wall thicknesses are different, having the function of the water level adjustment. 4. Small size, convenient to store and carry, no drilling required, easy to install. 5. Custom water level (cut the length of the trachea according to the water level) 6.Low carbon noise reduction 7. With the complete accessories, containing the tube, silicone sealing cover, fish tank wall insert board, adhesive glue Specifications: Item Type: Fish Tank Water Add Device Season: All Seasons Feature: Durable Material: ABS Size: approx.3.6x3.6x3.5cm / 1.42x1.38in Color: white / red / green / blue Quantity: 1 Set Notes: 1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors. 2. Due to the screen difference, the color may be a little different from what you expect, please allow it. 3. 1.00cm = 0.39 " Package Include: 1 Set x Fish Tank Water Add Device (other accessories demo in the picture is not included.)