Powerful electromagnetic motor pushes 950 gallons per hour to provide reliable output for air diffusion devices Electrical magnetic air compressor in a high-quality aluminum alloy case, wear and tear resistant material for cylinder and piston 6 outlets is ideal for running several waterfarms or multiple air stones at once Non-oil lubricating design to produce purer compressed air. Perfect for protein skimmers, ozone/oxygen reactors and other high-pressure /high-flow devices Widely used to provide oxygen in aquariums, fish farms and hydroponic systems Also come with Aquarium Bubble