Aqua One Precision 7500 Air Pump
 
Precision air pumps are a reliable and a cost effective option.
Air pumps improve filtration system performance and overall water quality by increasing water flow which helps to eliminate localised build-up of toxic chemicals such as ammonia and nitrite. 
Features -
high quality units, Built to last
Very quiet operation
Simple diaphragm replacement 
Specifications - 
Max. Flow rate : 360L/hr
Wattage : 3.5W
Operating Voltage : 240V/50Hz
No. of outlets : 2
Speed Control : Yes