This is a powerful aquarium diaphragm air pump.

The cast aluminium housing ensures long life and silent operation.
With integrated replaceable air filters and low maintenance design.
It is ideally suited to supplying air lift filters (undergravel and box), air stones and for protein skimmers using either ceramic or wooden air diffusers.

Technical details:
max. capacity 300 l/Std (80 gph.).
at 1 m (100 mbar, 1.45 psi): 200 l/Std. (50 gph)
max. pressure 250 mbar (3,6 psi)
Power consumption 4 Watt
Air line connection for hose 4/6 mm
Weight 1,36 kg
Over all dimensions (l x w x h) 170x90x100 mm (c. 6.8x3.6x4)