RETSCH sieve stack ASTM E11|400x65 mm stainless steel|with compliance certificate acc. EN 10204 2.1|63 µm, 125 µm, 250 µm, 500 µm, 1 mm,2 mm|2 mm, 4 mm, 8 mm, 16 mm, 31,5 mm, 63 mm,|collecting pan