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304 Stainless Steel Mesh Lab Sieve, 200 Mesh (0.075mm) Aperture Test Sieve, 7.9Inch(20cm) Diameter Economy Standard Analysis Sample Test Sieves for Industrial Laboratory Homes 200mesh(Ф7.9in/20cm) hidden This unique specially developed lotion304 Stainless Steel Mesh Lab Sieve, 200 Mesh (0. 075mm) Aperture Test Sieve, 7. 9Inch(20cm) Diameter Economy Standard Analysis Sample Test Sieves for Industrial Laboratory Homes Product Features Premium Material The test sieve mesh is made 304 stainless steel,corossion resistance,not easy to rust,tight construction, durable and sturdy to use Features Designed with double layer frame construction,smooth edge no irritation and easy to stack Size The