Aeration unit

The ornamental design for an aeration unit, as shown and described.

FIG. 1 is a front elevational view of an aeration unit showing my new design, the rear being a mirror image of that shown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a right side elevational view thereof, the left side being a mirror image of that shown.

Patent	Priority	Assignee	Title
11913641,	Jun 19 2019	BSG Holdings, LLC	Brass burner system and method
D648426,	Jan 29 2010	Mitsubishi Chemical Corporation	Aeration pipe unit
D652900,	Jan 29 2010	Mitsubishi Chemical Corporation	Aeration pipe unit
D669629,	Oct 13 2010	Vode Lighting, LLC	Dual round arm luminaire
D669630,	Oct 25 2010	Vode Lighting, LLC	Dual square arm luminaire
D722142,	Jul 11 2012	Mitsubishi Chemical Corporation	Aeration tube
D722367,	Jul 11 2012	Mitsubishi Chemical Corporation	Aeration tube
D723140,	Jul 11 2012	Mitsubishi Chemical Corporation	Aeration tube
D723141,	Jul 11 2012	Mitsubishi Chemical Corporation	Aeration tube

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240131,
D320838,	Jan 09 1989		Combined air supply line and manifold for aerating a pond or lake on fish farms

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