125 Micron 500x Paint Strainer Fine Mesh Paper Filter - FAST DELIVERY500pk Paint Strainers Micron Nylon Filter Mesh (Full Box) Paper paint strainer with nylon mesh, suitable for solvent based paints.125 microns is a fine graded strainer.500 strainers per boxUse paint strainers to filter your paint before putting the paint into the spray gun and applying, this will prevent foreign particles entering the spray gun and causing damage and imperfections in the paintwork