"Use the Outdoor Water Solutions TurboAir III Solar Aerator with Sound Kit to increase the health of ponds without adding to your electric bill. The TurboAir III is a direct-drive system that contains a rocking piston compressor rated at 3.7 CFM at 10 psi. The 2 included high-output solar panels provide more than 600 watts of power. This power is used for the compressor, which pushes air through the included airlines to underwater diffusers that circulate and oxygenate your pond water. Cooling fans keep the compressor from overheating, thereby increasing its lifespan. The sound kit blocks some of the sound the compressor makes to make this system even more low-profile. Each unit includes a pressure gauge and pressure relief valve. The powder-coated aluminum cabinet that holds the compressor comes with a mfrs. lifetime limited warranty. The panels are mounted with aluminum racking and a mounting pole. All you need to install the system is some concrete for the pole. 225 lbs. Solar-powered aerator system to oxygenate standing water Diffusers placed at the bottom of ponds emit air sent by compressor through tubes Included solar panels power compressor Sound kit makes the compressor quieterIncludes: 500' of 1/2"" weighted airline 3 single-disc 9"" rubber-membrane diffusers Acoustic foam Fan sound guard Mounting base"