Measuretest Instruments offers Aerosol Generator. Measuretest Instruments offers Aerosol Generator. The 4B series family of Laskin-Nozzle aerosol generators are durable, portable, and reliable. Designed for testing filter systems ranging from small glove boxes to large cleanroom plenums, ATI Laskin Nozzle generators provide the ideal solution for creating a polydispersed, submicron aerosol to certify and qualify in-situ filter systems. Aerosol concentration output varies by generator model; however, concentrations can be achieved from 100 µg/l down to 10 µg/l at airflows ranging from 405 to 8,100 CFM.