In order to reduce emissions and improve the quality of ambient air or air in working space it is necessary to clean emission particles. Air purity is achieved by proper filtration process of emission particles. According to the requirements gathered through many years of experience by the company “Tehno – filter” d.o.o. housing of cylindrical industrial filter device was designed. It is important to note that the product was not designed according to the standards, but with use of the knowledge acquired through entire study, such as knowledge of: mechanics, machine elements, strength of materials 1 and 2, fluid mechanics, computer aided design, numerical methods, numerical modeling and simulation, design optimization, finite element method and other. Also, it is important to emphasize that the CFD analysis and strength of materials calculations are made in educational versions, and because of limitations like number of elements and the number of nodes, convergence with higher number of elements was not feasible. Model of cylindrical filter device is made in the software SolidWorks Premium 2016. Several models of product were made until satisfactory design from the perspective of functional and technological feasibility was reached. Furthermore, multi physical analysis was conducted in software ANSYS Workbench. CFD analysis of fluid flow was carried out using software ANSYS CFX. Based on CFD analysis of fluid flow and distribution of pressure on filter device wall, analysis of strength was conducted in ANSYS Static Structural, and model optimization in ANSYS DesignXplorer. Optimised model serves as an orientation model for further analysis of critical loads (under-pressure, overpressure). Optimized model strength analysis at working pressure show that maximum stress is 114,03 MPa. In the condition of high value of overpressure maximum stress is 378,09 MPa, and for high value of under-pressure maximum stress is 534,91 MPa. Optimized model requires further work in order to reduce stresses in the case of critical loads. This thesis presents a coupling of CAD and CAE technologies in process of new product development.