Glas-Col' s Volumetric Flask Mixer/Touch Vortexer decreases the amount of time required to prepare numerous dilutions or standard solutions. The aggressive mixing action coupled with the pulsing feature allows for faster and more thorough mixing. The RPM are adjustable between 100 and 1,500. Its small size (18.25" w x 7" d x 13.5" h) is ideal for bench top use. Weight: 80 lb (36.3 kg). Available for three sizes: 50, 100, and 250 mL volumetric flasks holding up to 24, 12, or 8 flasks, respectively. Available in 120 V, 240 V, or 240 V CE configurations.