We are the manufacturer of side channel blowers in China, it's also called ring blower, air pump, regenerative blower etc.. In the past years, we mainly supply for the industry market, the power ranges from 0.25kw to 30kw, the air flow ranges from 80m3/h to 2000m3/h. This year we developed the blower with small power(120w & 200w) specially for aquaculture market.  
 
Compared to the existing air blowers in the aquaculture market, our blowers have the advantages:        
Delicate design, fine appearance, lower noise, stronger airflow, durability.