IKA 3703100 ULTRA TURRAX Dispersion Tube DT-20 Tube, (25/pk), Choose the sample tube type and size to suit your applicationHygienic and clean homogenizing in closed tube systemHigh level of user safetyProcess sample volumes from 2 - 50 mL, These unique disposable hermetically sealed tubes prevent sample contamination. Each sample tube contains a stirring device, blade, or ball for mixing and homogenizing small samples. Choose from three tube styles with different mixing devices to process your particular sample type.Dispersion Tubes contain a rotor/stator element; ideal for dispersion, homogenization, and suspensions. Process sample volumes from 2 to 15 mL.