Reciprocating / orbital shaker, AROS^™ 

Fully adjustable from very slow agitation to vigorous vortexing action. Digital speed control is settable from 12 to 280 rpm. Mixing action is changed with a simple adjustment tool (included) for linear or orbital movements of 0.63, 0.75, 1.0, or 1.25 in.
Mixing surface is 11.7 × 14 in. (30 × 35 cm) silicone rubber pad with raised edges for secure use with staining tray or similar vessel. Very low power consumption allows use in incubator without over-heating.

AROS is a trademark of Barnstead/Thermolyne Corp.