This simple, compact Mini LabRoller Rotator by Labnet is mixes samples in a wide selection of motions. This rotator, with its three interchangeable rotisseries accepts up to 36 1.5 or 2.0 ml tubes, 10 15 ml and 15 5 mil tubes, or 6 50 ml tubes. The rotator operates noiselessly and is safe for both cold room and incubator use.