"If you have a small pond, lagoon, or any other small body of standing water that needs a boost in health, install the Outdoor Water Solutions Shallow Pond OWS AerMaster Electric Aerator. This electric aerator connects to non-weighted and waited airlines that travel underwater to an air-stone diffuser. The diffuser oxygenates water and begins to circulate it, helping stave off algae, scum, and muck. This small aerator is ideal for small ponds up to 8' deep and 1/2 acre large. It produces up to 1.5 CFM of air at 8'. Approved for outdoor use, this aerator system is a great solution for making your standing water healthier. Includes an electric aerator, 50' of 1/2"" non-weighted airline, 25' of 1/2"" weighted airline, and an air stone diffuser. Mfrs. 2-year limited warranty. Weight: 20 lbs. Good for small ponds up to 8' and 1/2 acre Produces up to 1.5 CFM at 8' Approved for outdoor use Easy to set upIncludes: Electric aerator 50' of 1/2"" non-weighted airline 25' of 1/2"" weighted airline Air stone diffuser"