PURPOSE: To obtain filter element capable of performing precise filtration and also manufacturable easily by using a fiber-braided membrane as a supporter.

CONSTITUTION: The one end of the fiber-braided tubular substance 2 is sealed with the plastic 1 and also the other end is embedded in the plastic base 3, and the membrane 6 is supported on the whole surface of the braided substance 2. The filter element is attached to the casing 8 with the inlet 7 for a fluid to be treated and also to the connecting cap 9 with the outlet 10.