Brand new and unused. Keep your aquarium clean and your fish healthy with the Aqueon Siphon Vacuum Gravel Cleaner. Designed for tanks ranging from 20 to 55 gallons, this gravel cleaner makes maintenance easy and hassle-free. With its large 10-inch size, it quickly removes debris and waste from the gravel without disturbing your aquatic environment. This high-quality aquarium supply, made by Aqueon, is a must-have for any aquarium owner. It is reliable, efficient, and durable, ensuring that your aquarium stays clean and your fish stay healthy. So, whether you're a seasoned aquarium enthusiast or new to the hobby, the Aqueon Siphon Vacuum Gravel Cleaner is the perfect tool for keeping your aquarium in top shape.