290 Micron Stainless Steel 50 Mesh 316L Filter filtration oil Screen 48"x48" Made of T316L Food/Medical Stainless Steel. High Grade. Used to filter, oil, powder, cement, pollen and so on. Corrosion resistant, Wear resistant, acid resistant, High temp resistant, easy to use,Long usage life. Cut from new rolls. We can custom cut you any size.