Superfish Air Blow 50 Pond Air Pump The Air Blow 50 air pump from Superfish has been developed to produce a high air output even at depth (high output up to 3m water depth). They are ideally suited for Koi ponds, breeding and quarantine systems with many outflow points. Supplied with 3/8th airline adaptor. Rubber boot. 10-way plastic manifold. 2 year warranty. Air output: 50l/minute Pressure: 0.045 MPA Power: 35 Watt