Lignomat RH BluePeg Sleeves/Caps Pkg. of 20

Sleeves and Caps for BluePeg Sensor in Concrete
SKU: MK-13065
Manufacturer: Lignomat

The Ligno Relative Humidity Sleeves/Caps come in a package of 20.  It is a liner for the hole you want to be measuring and a cap to keep it closed.  You put your RH Sensor inside the hole with the sleeve to protect your sensor.