Standard rubber cup.
The Vortex mixer provides rapid mixing of samples contained in test-tubes, small flasks and bottles. Starts automatically when the rubber cup is depressed and stops once vessel is removed. Heavy die-cast body for stability during use.
A built-in counterbalance system and suction cup feet keeps mixer in place during use. Brushless DC motor provides maintenance-free operation.
Please Note: Effective May 2022, the Stuart Vortex Mixer Model number SA6, has now been rebranded Cole-Parmer under Model number of V-100-V. All the same great features and specifications, just with a new and improved look.