Advanced Mini Environmental Quality Meter (12 Parameters) spawn bags Refill Cartridge: This is a

Refill Cartridge: This is a refill cartridge suitable for Air Box 1

*The controller has  been updated to a Digital PID controller to replace the photographed analog style rotary dial

or aluminum

Product Description: This smart hygrometer is designed to accurately measure temperature and humidity

Includes: (2) Refillable 1LB (16

Advanced Mini Environmental Quality Meter (12 Parameters) spawn bags Refill Cartridge: This is aThese meters are light weight, tiny in size with simple, one hand, operation. They are perfect for scientists, agricultural specialist, facilities managers, HVAC professionals, home inspectors, field technicians, health and safety personal, hazmat crews, outdoor enthusiasts, educators, and coaches all of whom need accurate information to properly access environmental conditions and make crucial decisions. Reads air speed in addition to the wide