Labconco introduces its Purifier Logic Class II biosafety cabinets, featuring a built-in, electronically commutated motor programmed to precisely control the cabinet’s airflow. The sensorless system uses a technology called constant airflow profile, eliminating the need to periodically recalibrate airflow sensors. An LCD information center keeps users alerted to current cabinet conditions by displaying operating data including the percent of filter capacity remaining. Programmable options permit users to define start up, shut down, and standby parameters.