Tube Racks

4-100 Mesh 4.75-0.15mm Aperture Lab Standard Test Sieve Stainless Steel Dia20cm Specifications:Model: 923129Material: MetalSize: dia 20cm, height 5cm Aperture: Type A :10 mesh  2mm apertureType B :12 mesh  1.6mm apertureType C :16 mesh  1.25mm apertureType D :18 mesh  ..