Kasco Marine Robust-Aire RA5 Aeration System

Perfect for pond up to 10 acres in area and depths up to 50ft. Highly efficient, reliable, and durable aeration systems that increase oxygen transfer, beneficial water movement, and high volumes of water turnover.  System Comes Complete with: One 1/4 hp piston Teich-Aire™ compressor and one 1/2 hp piston compressor.  Five self-sinking diffuser assemblies  Two-valved aluminum manifolds: 1 dual-port, 1 triple-port  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 Self-Weighted aeration supply tubing is not included in this system Backed by a 3-year warranty for the compressor, 2 years for piston cups and gaskets, and a lifetime for the cabinet and diffusers.  Robust Aire Aeration Manual