A surgical evacuation system , comprising: a housing comprising a display; a pump ; a motor operably coupled to said pump; a flow path fluidically coupled to said pump; a sensor system, comprising: an internal particle sensor positioned along said flow path, wherein said internal sensor is configured to monitor a first parameter of a fluid flowing through said flow path; and an external particle sensor positioned on the exterior of said housing, wherein said external sensor is configured to monitor a second parameter of the fluid exiting said flow path; and a control circuit configured to: interrogate said internal sensor for the first parameter and said external sensor for the second parameter; analyze the first parameter and the second parameter to determine an efficiency level of the surgical evacuation system; and display the determined efficiency level on said display; and wherein said housing further comprises a filter receptacle configured to receive a replaceable filter, and wherein said control circuit is configured to: determine a state of the replaceable filter based on the determined efficiency level; and display the state of the replaceable filter on the display; and wherein said internal sensor is positioned upstream of said filter receptacle, and wherein said external sensor is positioned downstream of said filter receptacle. a housing comprising a display; a pump ; a motor operably coupled to said pump; a flow path fluidically coupled to said pump; a sensor system, comprising: an internal particle sensor positioned along said flow path, wherein said internal sensor is configured to monitor a first parameter of a fluid flowing through said flow path; and an external particle sensor positioned on the exterior of said housing, wherein said external sensor is configured to monitor a second parameter of the fluid exiting said flow path; and an internal particle sensor positioned along said flow path, wherein said internal sensor is configured to monitor a first parameter of a fluid flowing through said flow path; and an external particle sensor positioned on the exterior of said housing, wherein said external sensor is configured to monitor a second parameter of the fluid exiting said flow path; and a control circuit configured to: interrogate said internal sensor for the first parameter and said external sensor for the second parameter; analyze the first parameter and the second parameter to determine an efficiency level of the surgical evacuation system; and display the determined efficiency level on said display; and interrogate said internal sensor for the first parameter and said external sensor for the second parameter; analyze the first parameter and the second parameter to determine an efficiency level of the surgical evacuation system; and display the determined efficiency level on said display; and wherein said housing further comprises a filter receptacle configured to receive a replaceable filter, and wherein said control circuit is configured to: determine a state of the replaceable filter based on the determined efficiency level; and display the state of the replaceable filter on the display; and determine a state of the replaceable filter based on the determined efficiency level; and display the state of the replaceable filter on the display; and wherein said internal sensor is positioned upstream of said filter receptacle, and wherein said external sensor is positioned downstream of said filter receptacle. <EOS>