In by Jackie Dunn

An apparatus that mixes air into flowing water, which is screwed onto the end of a faucet spout to help reduce splashing.

Merriam-Webster Online Dictionary
aerator (noun)
one that - aerates , especially an apparatus for something (as sewage) - aerating
aerator (Wikipedia)

Aerators are various devices used for aeration, or mixing air with another substance, such as soil or water. These devices are used to add oxygen to the water.

Aerator may also refer to:

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