This video demonstrates how the Inflow and Port photometers can be used in conjunction to assess the percentage of material loss within the Inhalation Tower, which can be important for some customers that have very little compound to use.  In addition, it discusses ways for the customer to decrease the amount of material loss while keeping in mind other important factors to a successful inhalation exposure.  

Next Video:  https://support.datasci.com/hc/en-us/articles/360051149254-Inhalation-Tower-Video-15-Bypass-Valve-Assembly