Sera Air Pump Size:550 R Plus Very high acceptance even with

Very high acceptance even with choosy cichlid species thanks to high-quality raw ingredients such as spirulina

Adopts super-quality ABS original particles to shape the case

fish and fish by products

For choosy fishes

Sera Air Pump Size:550 R Plus Very high acceptance even with1. Pump performance All three models transport the air with at least 100 140 mbar, which equals as 1. 0 1. 4 m (3. 3 4. 6 ft.) water column. This means that, for instance, a connected airstone still bubbles normally at 1. 0 1. 4 m (3. 3 4. 6 ft.) water depth. The pressure can be increased to as much as 160 170 mbar by combining air hoses. The air 275 R plus and air 550 R plus models include a particularly easy electronic adjustment that allows