Sentinel 3/4 HP Rocking Piston Aeration System with 4 Diffusers Select Sentinel Aeration Package:Sentinel with No Cabinet You can find the diffuser

You can find the diffuser add on kit in the related products tab on this page

1/2 HP Compressor

8 ounces 100

and possibly a smaller number of diffusers compared to other good brands on the market

and cabinet

Sentinel 3/4 HP Rocking Piston Aeration System with 4 Diffusers Select Sentinel Aeration Package:Sentinel with No Cabinet You can find the diffuserSentinel 3 4 HP System w 600' of weighted airline The Sentinel 3 4 HP pond aeration system is a power house for aerating large ponds. This system can aerate ponds up to approximately 4 acres in size. The Stratus G2 rocking piston compressor creates up to 6. 5 CFM of air flow and draws 4. 5 amps on 115 volts. Daily operational costs are estimated at about $1. 10. Will aerate up to a depth of 50'. Optional 230v systems are available by request. The