A suction wall with properties of suction and differentiated filtration of different types of pollutant is provided which is useful for industrial working areas. The suction wall includes a box-like frame, an inner compartment, a suction device for drawing in air, a first air inlet, a filtering device, and a second air inlet. The inner compartment is located between a rear panel and a front permeable diaphragm of the box-like frame, and also includes partitions in the compartment. The filtering device includes at least two filtering units.