40L Overhead Stirrer with Stand and 4-Arm Propeller For Mixing, 115V

Benchmark Scientific OS-20 with LCD control interface makes setting the mixing speed and time quick and accurate. 

This exceptionally durable laboratory overhead mixer comes with a support stand with all mounting hardware for reliably attaching the mixer at the desired height and capable of working with vessels up to 24 inches tall. 

The Benchmark Scientific OS-20 overhead mixer comes with a 4-arm propeller blade (S2050-P-S4) and can be outfitted with seven other blade options made either of stainless steel or inert Teflon. 

The Benchmark Scientific OS-20 overhead mixer also comes with a protective cover to prevent splashing on the connection mechanism when working with corrosive substances and helps protect the unit for many years. 

A 20L version of the Benchmark Scientific overhead mixer is also available. 

The perfect overhead mixer for chemistry, biochemistry, food and other laboratories that need to mix large viscos solutions at once.