Noun
That which supplies with air; esp. an apparatus used for charging mineral waters with gas and in making soda water.
Source: Webster's dictionaryThe 1.5 kilowatt device, which plans to retail for around $550, uses electricity generated from photovoltaics and acts as a water pump, water aerator, factory blower and for cooling systems. Source: Internet
The aerator also comes with a prorated lifetime guarantee. Source: Internet