BrandTech Macro Pipette Controller, BlueThe macro pipette controller is a reliable and ergonomic alternative to rubber pipette bulbs and other manual aspiration devices. A unique valve system provides precise, one-finger meniscus control that relieves repetitive motion strain from serial pipetting operations, and is simple to operate, even by novice users. The macro pipette controller is an excellent tool for pipetting in chemistry laboratories, tissue culture laboratories, water treatment facilities, academic labs, and more.