Effectively Contain Fish Excrete For A Cleaner Aquarium With This Sturdy Filter BENEFITS: Automatically Maintain Clean Aquarium Tank: The Fish Stool Suction Collector is a 3-in-1 pump that works as a filtration, oxygenation, and stool collector device. The device uses a pneumatic principle, filtering water in the tank to contain fish waste and impurities in the middle compartment and releasing clean water back out to the tank. No More Frequent Maintenance: With a cleaner aquarium, it would reduce the need for frequent water changes and gravel cleaning. With the fish waste contained, it reduces water pollution and bad-smelling odor too.Effortlessly Maintain A Clean Aquarium Environment for Thriving Aqua Life with Fish Stool Suction Collector Easy Installation: Simply plug the device into an air pump and place it in the aquarium tank. Once the middle compartment is filled with fish waste, simply remove and clean it before placing it back in the aquarium tank. Biological Filter Ball: The device has a biological filter ball at the bottom of the cylinder which boosts the growth of nitrifying bacteria, which is required for the nitrogen cycle. High Quality: This fish stool suction collector is made of high-quality Acrylic material, which is durable and has a longer service life than others. SPECIFICATIONS: Material: ABS materials Color: Transparent black Weight: 14.57 Ounces Dimensions: 6.3 x 3.54 x 3.54 inches PACKAGE INCLUDES: 1 x Fish Stool Suction CollectorProducts from NIUNIU's store