The present invention provides a filter device including a supply channel
where a liquid flows in; a first liquid chamber that is communicated with
the supply channel; a second liquid chamber that is communicated with the
first liquid chamber; a first discharge channel that is communicated with
the second liquid chamber and that discharges the liquid; a first filter
that is provided between the first liquid chamber and the second liquid
chamber; and a second filter that is provided between the first liquid
chamber and the second liquid chamber and whose lower end is positioned
higher than a lower end of the first filter.