Kockney Koi Yamitsu Hi-Flow 50 Ltr Pond Air Pump
 
Provides sufficient output pressure of 50 litres per minute at a depth of 1.2 m (4 feet).
 
Comes complete with:
2 x spare diaphragms
2 x inlet valve assemblies
1 x high quality chrome manifold with individual taps
 
Specs
Power - 40w
Warranty - 1 year