- Roll and tilt mixer with 7 rollers, double action,gently rolls the tubes while rocking, produces a sinusoidal movement, providing excellent sample homogenisationr- Recommended for suspensions of biological and haematological fluidsr- With variable speed control from 10 to 80rpmr- For tubes Ø up to 35mmr- The length of the rollers is 24mmr- Power supply: 230 V