This 1/2 HP Sentinel aeration system is the perfect

This self-weighted heavy duty airline is virtually kink proof and puncture resistant

2 amps on a 120v power supply and 2

It has a raised design that keeps the

The hydrophobic material

Sentinel 1/2 HP Aeration System with 2 Diffusers Pond Fountains This 1/2 HP Sentinel aerationSentinel Dual Piston 1 2 HP System w 2 Diffusers For ponds up to approximately 1 to 2 acres in size. The Sentinel 1 2 HP aeration system uses the Stratus SRC rocking piston compressor which creates up to 2. 2 CFM air flow per diffuser, while drawing 2. 5 amps on a 115 volt system. Optional 230v systems are available upon request. Operational costs are approximately 85 cents a day and it can work in ponds up to 50' deep. The base kit includes the 1 2