ASTM E11 Compliance Grade Screen Tray Replacement Screen Cloth for Gilson Testing Screen and Test-Master®are offered in sizes from 5in to No.400 (125.0mm to 38µm). Cloth material is stainless steel. Clear Screen area is 14.75x22.75in (375x578mm). The most popular sizes are in stock. Additional sizes available as well. Please contact us if you need a size not listed.