De-dusting filters which are used by pharmaceutical industries always be designed with the most strict specifications. The pipe network inside the building used for dust abduction is being manufactured from stainless steel. Extra care is being taken at the design of the installation in order to avoid dust accretions inside the network during the pass of time.
In case of de-dusting special places (with high humidity), a system using recycled air can be designed. It is important during the design of de-dusting and air-conditioning systems the exact control of incoming and outcoming amount of air in order the keep under control the pressure in each room and avoid the spreading of substances between them.