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 4000 l/Std (1000 gph.).
at 1 m (100 mbar, 1.45 psi): 2900 l/Std. (750 gph)
max. pressure 350 mbar (5.1 psi)
Power consumption 35 Watt
Air line connection for hose 9/12mm or 10x4/6 mm
Weight 7.7 kg
Over all dimensions (l x w x h) 182x192x155 mm (c. 7.2x7.5x6.1)