Check the listing for details. Benchmark Scientific R4045 RotoBot Programmable Rotator with Tube Holder. Condition: New. Listed at 675.00 USD. The Benchmark R4045 RotoBot Rotating Mixer features advanced programming options that far surpass that of the traditional laboratory rotator. With digital speed control and more than 10 operating modes, the R4045 RotobBot Mini can be selected to perform a wide variety of rotating, mixing and vibrating actions. In addition, these actions can be combined in succession using the C1 and C2 "Custome Modes", providing the user with a nearly infinite level of programming. The R4045 RotoBot Mini includes an assortment of vertical tube holders including, 30x1.5ml tubes, 8x15ml tubes and 2x50ml tubes. For higher capacity applications, more of these holders can be purchased as accessories. In addition, horizontal holders are available for applications such as Western blotting and hybridization. The unique, sliding attachment allows for quick and easy changing of tube holders. For rocking applications, a platform a with non-slip rubber mat is available. Product Features:Rotobot - Includes tube holders for 30x1.5ml, 8x15ml and 2x50mlAdvanced programming with a wide variety of rotational modesSet for full 360° rotation, or interrupt rotations with pausing & mixing intervalsSlow rotating to vigorous mixingCold room and incubator safeAccepts common tubes from 1.5 to 50mlwhat does it come with ? 5 - 6 x 1.5ml tube holders8 - 1 x 15ml tube holders2 - 1 x 50ml tube holders "The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item." Since this item does not contain medication, we are authorized to sell the nebulizer compressor system without a prescription in certain states.