- Versatile Gravel Cleaner for Aquariums: Our telescopic aquarium vacuum cleaner is adjustable in height, making it suitable for both large and small aquariums. Achieve optimal cleanliness with ease. - Power Requirements: This efficient aquarium gravel cleaner operates on 2 x C/LR14 batteries (not included). Enjoy hassle-free maintenance for your aquatic environment. - Convenient Siphon Feature: Use this aquarium siphon cleaner not only for gravel cleaning but also for water changes or emptying your aquarium. Simply connect a hose to the outlet for quick drainage. - Effective Vacuuming: Designed to easily remove debris and waste from the bottom of your aquarium, it keeps your tank clean and your aquatic life healthy. Applications: 1. Routine Maintenance: Quickly and efficiently remove gravel debris and maintain water clarity during regular tank cleanings, ensuring a healthy environment for your fish. 2. Water Changes: Effortlessly perform water changes while siphoning out waste and contaminants, promoting a serene habitat for your aquatic pets. 3. Emergency Emptying: Use the siphon function to rapidly drain your aquarium in emergencies or when transferring fish, minimizing stress for your aquatic inhabitants. Maximize your aquarium's health and aesthetic appeal with this durable and reliable gravel cleaner that makes tank maintenance a breeze.