1. Easy to Use Our aquarium siphon is designed for effortless and efficient tank cleaning. Just insert the nozzle and hose into the aquarium, press the pump a few times, and water begins to flow. The simple manual operation eliminates the need for an additional power source, making it for maintaining a clean aquarium. 2. Durable PVC Material Crafted from quality PVC, our aquarium siphon gravel filter ensures longlasting durability. The PVC construction is not only robust but also safe for your fish, from odors or harmful chemicals, providing a healthy environment for your aquatic pets. 3. FishSafe Filter Featuring a protective filter, our aquarium cleaner prevents smaller fish like bettas, dwarf cichlids, guppies, and goldfish from being sucked in, ensuring their safety during cleaning. 4. Versatile Use Extended Hose This manual water changer simplifies aquarium maintenance, ideal for draining, refilling, and removing fish waste, debris, or cloudy water. The included 1.5m hose offers extended reach, allowing you to clean every corner of your tank with ease.