There is provided a filter device having: a supply path into which liquid
flows; a first liquid chamber communicating with the supply path; a
second liquid chamber communicating with the first liquid chamber; a
first discharge path which communicates with the second liquid chamber,
and from which liquid is discharged; and a filter provided between the
first liquid chamber and the second liquid chamber. An intermediate
portion of the first discharge path between an entrance and an exit of
the first discharge path is higher than the entrance and the exit, and
the entrance of the first discharge path opens in a vicinity of a floor
portion of the second liquid chamber.