Sentinel Deluxe Aeration System for ponds up to six acres depending on shape and depth of pond. 1 hp Rotary Vane RV100 compressor, 13.5 cfm, 14 amps, aerates up to 18′ deep. PA100D kit includes compressor, six valve outlet assembly, pressure gauge and pressure relief valve all mounted in SC22 lockable steel cabinet with cooling fan and electrical outlet installed. Kit also includes six QS2 Quick Sink air diffusers and fittings for connections. Kit does not include tubing, making it an ideal solution where custom tubing lengths can be purchased as needed. Connections are set up for 1/2″ ID tubing.