Efficient Water Management: Utilize this automatic water replenisher's differential pressure principle for precise positioning and consistent water supply, ensuring optimal hydration levels for your aquatic pets. Durable Plastic Construction: Crafted from high-quality plastic materials, this fish tank hydrator guarantees long-lasting durability, providing a reliable solution for maintaining a healthy aquatic environment. Easy-to-Use Design: With a simple structure and user-friendly operation, this automatic water replenisher offers convenience and efficiency in managing water levels in various fish tanks, simplifying your maintenance routine. Adjustable Water Level Functionality: Accommodate different wall thicknesses of fish tanks effortlessly with the ability to adjust the water level, catering to diverse tank setups and ensuring flexibility in usage. Compact and Versatile: Measuring 7.5 cm in length, this automatic water replenisher is suitable for a wide range of fish tanks, offering a space-saving solution while enhancing the overall functionality of your aquarium setup. Description: Introducing the Automatic Water Replenisher, a durable and high-quality plastic product designed for fish tanks. This replenisher is simple to use, featuring a differential pressure principle for easy positioning and water supply. With a length of 7.5 cm, it is suitable for various fish tanks with different wall thicknesses. Additionally, it offers the convenience of adjusting the water level as needed. Keep your aquatic environment healthy and thriving with this efficient automatic water replenisher. Item Name: Water Replenisher Material: Plastic Features: Water Level Adjustment, Fish Tank Accessories, Easy to Install Size Details: L: 7.5cm/2.95", W: 4.5cm/1.77", H: 2.5cm/0.98" (Approx.) Notes: 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. Package Includes: A: 1 x Water Replenisher 1 x Long Tube 1 x Short Tube or B: 1 x Water Replenisher 1 x Adapter 1 x Long Tube 1 x Short Tube