Allegro Carry-Air 2-Worker Air Filtration Panel With Carbon Monoxide Monitor System

3-stage filtration system purifies compressed air Converts contaminated air used for pneumatic tools and equipment into clean, breathable air. 3-stage filtration system removes water, oil and particulates. Audible alarm lets you know when the concentration of carbon monoxide exceeds 10 ppm (set for 5 ppm in Canada). CO detector operates in AC or DC mode for flexibility.