DC1100 Air Quality Monitor
A true Laser Particle Counter with 2 size ranges - small (bacteria, mold, etc) large (pollen, etc.)
DC1100 features technology and engineering that allows monitoring of indoor air quality with an LCD screen that provides small and large particle counts with a dynamic bar graph showing actual count reading. Multiple modes including minute, hour, day and monitor to evaluate your air quality and store up to 30 days of air quality history for review.
More information: http://www.dylosproducts.com/ornodcairqum.html