Hello,
I have a friend that is selling his Zahm & Nagel 1000D CO2 meter. The unit has been used quite extensively for 2.5 yrs. What would should I offer him?
Thanks,
I have a friend that is selling his Zahm & Nagel 1000D CO2 meter. The unit has been used quite extensively for 2.5 yrs. What would should I offer him?
Thanks,
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