Abstract: This inhaler (1) is composed of two parallel cylindrical tubes (1.1), a linking bridge (2) between said cylinders, and two threaded terminals (10, 11). The inhaler is provided with three peripheral rings, one external one (5), one intermediate one (6) (located within each cylindrical tube) and one internal one (7), located in the terminal (10, 11), the section of which has a semicircular shape with a diameter of 2 mm. The planes of the external openings of the cylindrical tubes (1.1), form an angle of 130°. The internal opening (4) of each cylinder is provided with a threaded terminal with two standard lengths of 5 mm and 9 mm, which a variable in other versions. The average exterior diameter of the terminals is of 10 mm, although it can vary between 8 y 14 mm, at intervals of 2 mm.