The base kit includes the 1/2 HP compressor

But there's a price that your pond pays for that

these rocking piston compressors will deliver the performance you need for all your compressor installations

our Shallow Water Series™ Aeration Systems can aerate ponds up to ½ surface acre at 6’ deep

Solar Pond Aerator For Ponds Up To 1 Acre - 2 Panels Pond Aerators The base kit includes theThe AA1. 2 Solar Aerator will efficiently aerate ponds up to 1 acre. Made with high quality, American Made components, the AA1. 2 provides low maintenance, high volume Solar Aeration on any site. No batteries, AC wiring, or electrician are needed, saving you time and money. A brushless compressor offers over 3 times the system life of brushed permanent magnetic motors. A Few AA1. 2 Features: 2. 8 CFM @ 10 PSI Variable Speed Rocking Piston Compressor