Sera has upgraded their popular air pumps for aquariums and ponds: the three long-lived series models plus air are smaller and more powerful than their predecessors. They also help customers save energy, as revised versions consume 33% less electricity.
Attractive low-rise design, extremely quiet, low power, durable Free: flow valves, connectors and electronically controlled
Rubber feet absorb vibrations
Potent independent membranes allow a higher air pressure
Easy replacement of membranes. For air actuated ornaments and aquarium and pond equipment (eg., Sera internal filters).

Model	Air 110	Air 275	Air 550
L / H.	110 l/h. 1 output	275 l/h. 2 outputs	550 l/h. 4 outputs