For simple and rapid homogenization of cell and tissue lysates. Kit contents: Qiagen QIAshredder, 250 Disposable Cell-lysate Homogenizers for use in Nucleic acid preps, Caps, For Simple and Rapid Homogenization of Cell and Tissue Lysates, Replaces Syringe-and-needle Homogenization, Reduces Loss of Sample Material, Eliminates Cross-contamination Between Samples, Filters out Insoluble Debris and Reduces Viscosity, Spin-column Format, QIAshredder Homogenizer Placed in a Collection Tube and Centrifuged. Benefits: Replaces syringe-and-needle homogenization. Reduces loss of sample material. Eliminates cross-contamination between samples. Filters out insoluble debris and reduces viscosity