This Outdoor Waters Solutions kit is designed for use with the windmill or Aermaster electric aerator systems. U.S.A. Application: Provides everything needed to aerate a 1 to 2-acre pond using a windmill or aerator system, Compatible With: Windmill or Aermaster electric aerator systems, Includes: Includes pivot hinges that raise or lower tower for maintenance, 150 feet of weighted air line , two Airstone housing bucket , two duck decoy markers , and hose connectors