Multifunction:The Fish Stool Suction Collector is 3 in 1 pump as a filtration,oxygenation,and stool collector to maintain your aquarium clean Fish Stool Suction Collector:The system operates on pneumatic principle,treating liquid in the tank and storing fish waste and impurities in the middle compartment before returning liquid to the tank Practical:The need for regular liquid changes and gravel washing will decrease with Fish Stool Suction Collector.The fish waste is contained,not liquid pollution or foul odors Easily Use:Simply place the unit inside the aquarium tank and connect pump.When the compartment is full of waste,empty until it has been cleaned before returning it back to the aquarium tank Material:Made of high quality materials,absolutely safe and filter for operation is no noise.Great way to clean and oxygenate your tanks, Weight: 0.3527396192 pounds, Manufacturer: Zambuph