pauljohnston (3)
We bought this to monitor the particulate matter in our house from our wood stove. Turns out, the wood stove adds almost nothing but we did see the ai...
Small camo (used but clean) daypack if you want it.
Seems to be functional although it will need to be calibrated if the unit is needed for confirming safety standards. Includes the manual and 2 new 9V ...
pauljohnston
Paul Johnston
Saanich