[Problem]To provide a flow pipe that encourages gas-liquid agitation of a fluid flowing through a pipe line, makes it possible to adjust the flow rate, and further capable of suppressing the passage of foreign matter. [Solution] A flow pipe (1)is configured by inserting and disposing in a pipe line (12) of a flow pipe main body (10) at least one porous material (20) having a continuous pore structure and formed by having a required length and a required diameter width. Further, a jet nozzle pipe (14) using said flow pipe (1) is made by drilling at least one jet hole (18) in a prescribed location of the flow pipe main body (10) or the porous material (20), and further, an aerosol valve pipe (16) is made using said flow pipe (1) by a valve body (26) being mounted on the base end (10c) of the flow pipe main body (10).
