The Blagdon Pond Air PA1 An Air pump system designed for creating a healthy environment in smaller ponds. Pond Air was the first specific pond air pump and has proven quiet and reliable in use over many years. Pond Air is designed to operate in the rigours of the pond environment and pumps air up to 100 metres and to 4-6ft deep. Includes Comes complete with airline 1 x 50mm airstone Specifications For ponds upto 2500 Litres Max output 3.5l/min Max Pumping Depth 1.4m Powers 1 x 50mm Airstone Outlets: 1 Guarantee: 1 Year The airpump must be installed in dry location