Kasco Marine Robust-Aire RA2DP

Highly efficient, reliable, and durable aeration systems that induce oxygen transfer, beneficial water movement, and mixing to ponds up to 4 Acres, 8- to 50-feet deep. Comes complete with: One - 1/2 hp double piston Teich-Aire™ compressor   Two diffuser assemblies  Two 100ft rolls of 3/8" ID Self-Sinking supply tubing Quiet 65 db operation No electricity in the water No equipment floating on or near the surface Designed and built for continuous operation Low maintenance oil/fluid free rocking-piston compressor Backed by a 3-year warranty for the compressor, LIfetime for the cabinet, and 15 years for the diffusers and the aeration tubing.  Robust Aire Aeration Manual