Luigi's Fish Tank Cleaner - Gravel Pump Vacuum for Aquarium - Hand Siphon Hose to Remove and Change Water or Sand in Minutes - Fish Aquarium Accessories, Supplies & Cleaning ToolsPERFECT FOR REGULAR WATER CHANGES No messy drips, and a sturdy one way valve to improve suction. You can clear 30L in about 5 minutes KEEP YOUR AQUARIUM CLEAN Filter through the gravel using the attachment to suck up food, fish waste and toxins that build up in your tank FISH & INVERTEBRATE SAFE Designed with an attached filter to protect your aquatic life, this cleaner prevents small fish, shrimp, and other invertebrates from being accidentally