Industrial Filtration Maintenance (Pty) Ltd can both advise on and offer a maintenance service contract through its own Donaldson accredited service personnel. Industrial Filtration Maintenance service contract, delivers the technical engineering solutions which improve the reliability and efficiency of your dust collection units and systems. Planned preventive maintenance regimes delivers the optimum working environment, whilst also reducing costs. Industrial Filtration Maintenance can offer innovative solutions for the company that expects more from their service providers. We will keep your dust collection system running efficiently and reduce downtime and dust emissions. ndustrial Filtration Maintenance has been appointed service agent for Donaldson Filtration Systems.