The Yamitsu Air Pump is capable of providing sufficient pressure at an output
of 50 litres per minute at a depth of 4 feet.

This makes it suitable for ponds and large aquariums. The Yamitsu 50 litres Air Pump is supplied complete with two spare diaphragms, two inlet valve assemblies and a high quality chrome manifold with ten individual taps. *A very good value air pump.