Check the listing for details. 1/2 HP Rocking Piston Deluxe Aeration System without Diffusers. Condition: New. Listed at 1568.51 USD. EasyPro Sentinel Deluxe Aeration System – includes Electrical Cabinet and Tubing - PA65DLDSentinel Deluxe Aeration Systems are designed for convenience and reliability. Each package includes air compressor, valved outlet assembly, pressure gauge and pressure relief valve already installed in our deluxe locking cabinet complete with a cooling fan and a electrical box/outlet already mounted and ready for your incoming power line. Simply set cabinet in desired location, install the air diffusers and connect the tubing! PA65DLD features: 1/2 hp Stratus SRC50 Gen 2 compressor with two year warrantyDual valve manifold with pressure reliefValved outlet with heat reducing hose and 3/8″ connectionsKit does not include diffusers – select diffusers that best fit the application200′ 3/8″ Quick Sink weighted tubingApproximately 2.2 cfm of air flow per diffuserTypical operation cost of $0.86 per 24 hours at .09¢ per kWh, actual cost may vary Aeration Kit for Ponds up to 2 acres 2 Year Warranty on Compressor 5 Year Warranty on Tubing and Cabinet Have Questions? We have answers! Use the "Contact Seller" link above! Why Buy from Us? At Graystone Creations we promise you the following: Fair and Honest Pricing Dedicated customer support before, during, and after the sale Quick and professional shipment of your order SHIPPING - Most items ship the same or next day. Occasionally orders will take longer depending upon the item or which warehouse it will need to ship from. Thank you for your interest and we look forward to assisting you further. Graystone Creations