The inhalator (1) has a suction air channel (6) guided to a mouthpiece (4), and a substance-supply container (8) movably provided in a receiving chamber (7). A sieving part (9) is arranged in the suction air channel between the receiving chamber and the mouth piece. The sieving part comprises a clamping edge (10) and a sieving area running within the clamping edge in a cross section. The sieving area has a board area (12), which exhibits a flat area (13). The sieving area is made of metallic wires, and exhibits a mesh size of 0.4 millimeter.
