Abstract: A separator is described which includes an elongate vessel defining a chamber having a wall therein dividing the vessel into a gravity chamber and a filter chamber with the gravity chamber communicating with an inlet for receiving a contaminated gas stream containing foreign suspended particles and the filter chamber communicating with an outlet for discharging gas substantially free of foreign particles. A strainer-diffuser member having a conical side wall is inside of the gravity chamber and connected to the inlet whereby the conical side wall forms a bore converging longitudinally of the direction of gas flow from the inlet, said side wall having a plurality of holes with inner edge portions protruding inwardly in the bore and forming barriers to the flow of liquid particles over the inner surface of the conical side wall so that liquid accumulates and is jetted through the holes in liquid drops that fall to the bottom of the gravity chamber, the gas flowing through said holes into the gravity chamber.