Small Koi Pond and Water Garden Complete Aeration Kit, includes a Pond Pump, 6 Way Airline Manifold, Airstones, and Airline. Our Water Garden Aerator Kit is a value pack designed to help improve water circulation and increase the oxygen content in your small pond reducing pond maintenance. When you don’t have enough oxygen circulating the water in your pond or water garden you will experience algae and possibly kill your fish. The kit includes a Pond Air Pump, air tubing, 6 way Air Manifold and air stones. The Pump will properly deliver up to 8.4 Gallons per Minute and good for ponds up to 2.5m Deep. All of the products are fish and plant safe. Easy to install. Superior Quality Products that are made to last thru the seasons.