BenchMasher 400 Laboratory Blender bag, 400mL x 70µm with full nylon filter, 300 x 190mm, pack of 500, Cat. No.: BM-IPD4400-B400F2, Contamination free mixing/homogenizing of samples, Touch screen control with variable mixing speed and temperature control, Adjustable stroke length to accommodate samples of various types, Window for sample visualization, Built in UV light for chamber decontamination