Blower is a machine or tool used to increase or increase the air or gas pressure that will be flowed in a certain room as well as suctioning or vacuuming certain air or gas. There are many types of blowers, including the roots blower. Roots Blower is one type of blower known as Rotary Roots Blower. And this type of blower is driven by electromotor which can be paired Directly or Indirect Coupling. Roots Blower is often used in an inflatable system (discharge) is widely used for aeration systems in STP Buildings, Hospitals, Apartments, Hotels or WWTP in various Industrial. Besides that it is also used for oxygen supply (oxygenation) in hatching aquatic biota, shrimp / fish ponds.