3in (76mm) diameter ASTM E11 Test Sieve has stainless steel woven-wire cloth with No.635 (20µm) openings and full-height stainless steel frame. The overall height is 1-3/4in and the stacked height is 1-1/8in. Features: Individually serial numbered Compliant with ASTM E11 requirements for Compliance Sieves Included Items: 3in Sieve, All Stainless, full-height, No.635 Certificate of Conformance to ASTM E11 requirements Accessories: Sieve Pans nest underneath sieves to collect fines Sieve Covers prevent sample loss during agitation Verification Services provide NIST traceable documentation of opening sizes Meets Standard(s): ASTM E11