Trident pneumatics manufacturesoffers various products for pneumatic applications. To increase the performance of pneumatic tools these contaminants need to be filtered periodically. Submicron filters are compressed air filters. Contaminants in unfiltered compressed air eventually have adverse effects on the end products. To increase the performance of pneumatic tools these contaminants need to be filtered periodically. Oil and water are present both in liquid and vapour state. Coalescing filters with filter media [boro silicate micro glass fibres] remove liquid contaminants. Activated carbon filters remove vapouried contaminants. Contaminants in unfiltered compressed air eventually have adverse effects on the end products.