![Model 670 | Fume Hood Monitor senses air flow through the face of a fume hood. Continuously senses air flow. | Dwyer Instruments Model 670 | Fume Hood Monitor senses air flow through the face of a fume hood. Continuously senses air flow. | Dwyer Instruments](https://www.dwyer-inst.com.au/images/Medium/670_pic.jpg)
Model 670 | Fume Hood Monitor senses air flow through the face of a fume hood. Continuously senses air flow. | Dwyer Instruments
![Dwyer® Air Velocity Monitor, 670, Ensures Proper Fume Hood Performance, CE Approved: Science Lab Fume Hoods: Amazon.com: Industrial & Scientific Dwyer® Air Velocity Monitor, 670, Ensures Proper Fume Hood Performance, CE Approved: Science Lab Fume Hoods: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41819lI2b-L._AC_UF1000,1000_QL80_.jpg)
Dwyer® Air Velocity Monitor, 670, Ensures Proper Fume Hood Performance, CE Approved: Science Lab Fume Hoods: Amazon.com: Industrial & Scientific
![TEL UK Air Flow Monitor for Fume Hoods, 0 to 1000 fpm Airflow Monitor: Amazon.com: Industrial & Scientific TEL UK Air Flow Monitor for Fume Hoods, 0 to 1000 fpm Airflow Monitor: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/31T2l83T1LL._AC_UF1000,1000_QL80_.jpg)