Photo 1 of Bonvoisin Anemometer Handheld Hot Wire Air Flow Velocity Meter CFM Wind Speed Gauges with Data Output Software Telescopic Probe for in Duct HVAC, Outdoor (Thermal Anemometer)

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Photo 1 of Bonvoisin Anemometer Handheld Hot Wire Air Flow Velocity Meter CFM Wind Speed Gauges with Data Output Software Telescopic Probe for in Duct HVAC, Outdoor (Thermal Anemometer)Photo 2 of Bonvoisin Anemometer Handheld Hot Wire Air Flow Velocity Meter CFM Wind Speed Gauges with Data Output Software Telescopic Probe for in Duct HVAC, Outdoor (Thermal Anemometer)Photo 3 of Bonvoisin Anemometer Handheld Hot Wire Air Flow Velocity Meter CFM Wind Speed Gauges with Data Output Software Telescopic Probe for in Duct HVAC, Outdoor (Thermal Anemometer)