Particle Mass Concentration Detector with Formaldehyde CO2/PM2.5/PM10 TVOC Temperature/Humidity Grow Strong potting soils or soilless media

potting soils or soilless media

Lower chamber*1

Comes in a hard carrying case with a 9V battery

and as an exhaust pipe splitter in other HVAC settings

Particle Mass Concentration Detector with Formaldehyde CO2/PM2.5/PM10 TVOC Temperature/Humidity Grow Strong potting soils or soilless mediaThe Sper 900033 Particle Mass Concentration Detector is an advanced, desk or table top device that accurately monitors formaldehyde (H2CO) and other important air quality levels in a closed environment. The large, colorful LCD display indicates multiple indoor air quality parameters with a thoughtfully designed, graphical user interface. The entire display functions as a six color warning system, where colors correspond to actual realtime pollutions