| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter unit which can reduce a remaining amount of a liquid in a disposed filter unit.SOLUTION: A filter unit 10 includes a cylindrical filter 40 which filters a liquid, a core 50 surrounded by the filter 40, an outer cylinder 20 which surrounds an outer circumferential side surface of the filter 40, a first annular end cap 33 joined to one end of the filter 40, and a second end cap 34 joined to the other end; an outer flow channel groove 21 which is an inner space of the outer cylinder 20 and surrounds the outer circumferential side surface of the filter 40, an outer cylinder port 23 which makes the liquid flow in and out by connecting to the outer flow channel groove 21, and an inner flow channel groove 51 which dents on an outer circumferential side surface of the core 50, and is connected to an inner circumference port 31 for making the liquid flow in and out through an annular inner space 33a of the first end cap 33. |
