A high quality multi-function submersible water filtration pump for your aquarium. This incredible filtration pump includes both an air intake tube for oxygenating your aquarium as well as a Venturi output tube for an alternative method of filtration. This filter will keep your aquarium clean using a dual chamber filtration cavity filled with white fine sponge media. Easy to clean and simple to maintain. One of the quietest submersible filters you'll ever find. We offer two sizes. If buying for one of our Aussie Aquariums the HJ-111 is for the Mini and Porthole and the HJ-611 is for all other models. Note that the Mega and Panoramic models each normally take two of the HJ-611 filters. HJ-111 Voltage: 110v Frequency: 50/60 Power: 2W H-Max: 0.45 Output: 200L/hr Weight: 0.15 lbs Dimensions: 32*38*105mm HJ-611 Voltage: 110v Frequency: 50/60 Power: 6W H-Max: 0.9 Output: 450L/hr Weight: 0.3 lbs Dimensions: 43*53*112mm This is also sold as the MAG-200 filter. Both have the same specs and are interchangeable.