5 years on diffusers

The Sentinel 1/4 HP aeration system uses the Stratus SRC rocking piston compressor which creates up to 2

air dried and reinstalled on next inspection

Airmax aeration utilizes a shore-mounted air pump to deliver air to specialized diffusers on the pond's bottom

The 2 HP motor draws 9

Sentinel 1/4 HP Aeration System with 2 Diffusers - No Airline Pond Fountains 5 years on diffusersSentinel 1 4 HP System w 2 Diffusers Airline Sold Separately For ponds up to approximately 1 to 2 acres in size. The Sentinel 1 4 HP aeration system uses the all new Stratus SRC rocking piston compressor which creates up to 2. 3 CFM air flow while drawing 1. 7 amps on a 115 volt system. Optional 230v systems are available upon request. Operational costs are approximately 40 cents a day and it can work in ponds up to 50' deep. The base kit includes the