Protect the integrity of your samples - tubes, grinding beads and balls are treated and tested to be DNase and RNase-free. Convenient wet or dry grinding. Seven distinct media types for plant, soft sample, fungi, yeast, bacteria or environmental sample processing. Threaded caps are color coded for easy identification. Flexible tube racks are reversible for either 25x2 ml or 16x0.5 ml tubes. Compact and easily fit on the OHAUS HT Lysing Homogenizer. Conveniently offered in packs of 2 for high-throughput processing. Convenient, Ready-To-Use Lysing Bead Tubes for Bead Mill Homogenizers