- Premium Quality Hose: Our 180 cm aquarium gravel vacuum is made of high-quality PVC material, ensuring flexibility, durability, and longevity. The transparent sand washing head effectively cleans sand and removes debris for multiple uses. - Efficient Cleaning: This compact gravel vacuum is perfect for water changes and sand cleaning. Its compatibility with an additional nozzle allows for easy gravel cleaning, effectively removing waste and leftover food from your aquarium. - Backflow Prevention Design: The aquarium cleaning set features an easy-to-grip pump with leak-proof connections. Simply press the pump a few times, and water will start flowing automatically. Note: Position the end marked "QV" downward into the bucket, as the pump is unidirectional. - Easy Installation: The aquarium water change kit can be assembled and disassembled without tools. Just connect the water inlet and outlet hoses, place them in the aquarium, and manually operate the pump to siphon water. The hose bends easily to fit any position you need. Use Cases: 1. Regular Maintenance: Ideal for routine water changes, keeping your aquarium clean and your fish healthy. 2. Sand Bed Cleaning: Effectively removes detritus from sandy substrates, improving the overall environment for aquatic life. 3. Emergency Situations: Quickly siphon out water in case of contamination or emergencies, ensuring the safety of your fish. This aquarium gravel vacuum combines quality, functionality, and ease of use, making it a must-have for any aquarium enthusiast.