Automatic Fish Stool Suction Collector Vacuum Cleaner Oxygenation Water Household Suction Fish Tank Toilet Description: The Fish Stool Suction Collector is a three-in-one pump that acts as a filtration, oxygenation, and stool collector to keep your aquarium clean. The system operates on the pneumatic principle, treating water in the tank and storing fish waste and impurities in the middle compartment before returning clean water to the tank. The need for regular water changes and gravel washing will be reduced with Fish Stool Suction Collector. The fish waste is contained, which prevents water contamination and foul odors. Simply place the unit inside the aquarium tank and connect it to an air pump. When the compartment is full of fish waste, empty and disinfect until it has been cleaned before returning it back to the aquarium tank. At the bottom of the cylinder, there is a biological filter ball that helps in the growth of nitrifying , which is essential for the nitrogen cycle. Specification: Material: acrylic acid Color: gray Size: 16 x 9 x 9 cm (6.3x3.54x3.54 in) Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 x Fish Tank Vacuum Cleaner _x000D_