Check the listing for details. Rocking Piston Pond Aeration 1/2 HP with Quick Sink Tubing. Condition: New. Listed at 916.91 USD. EasyPro Rocking Piston Aeration System with 200' ft. 3/8" Quick Sink Tubing - PA65WLD Aeration system for ponds up to two acres depending on shape and depth of pond. 1/2 hp Rocking Piston SRC50 compressor, 4.5 cfm, 3.6 amps, aerates up to 50′ deep. The PA65WLD kit also includes dual valve outlet assembly with pressure relief valve, 200′ of 3/8″ Quick Sink tubing, fittings and clamps. Kit does not include diffusers making it an ideal solution to select diffusers that best fit the application. PA65WLD 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 varyPA65WLD requires weather protection for the compressor Aeration Kit for Ponds up to 2 acres 2 Year Warranty on Compressor 5 Year Warranty on Tubing 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