Oxygenate your wort using disposable oxygen tanks from your local hardware store (not included).  This kit includes the regulator, tubing, air filter, and stainless tube and 2 micron stone for easy oxygenation.  The stainless tube makes getting the stone to/near the bottom for better oxygen pick up where regular soft tubing can coil and the stone stays near the top.
2 Micron Diffusion Stone