Dwyer Air quality Category/type
We offer over 8000+ total Dwyer products, including accessories, air velocity transmitters, bin vibrators, CO2/Temp (Duct) sensors, and more. Shop now!
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![Dwyer MAFS-300MM Averaging air flow sensor | 300mm probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_818901d5-7ffb-4a54-a408-05ab89d24d54_medium.jpg?v=1719999247)
MAFS-300MM | Averaging air flow sensor | 300mm probe | Dwyer
Brand: Dwyer
SKU: MAFS-300MM
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![Dwyer MAFS-1000MM Averaging air flow sensor | 1000mm probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_f8c14326-2515-4df9-92fc-a03d1edbd5cb_medium.jpg?v=1719999253)
MAFS-1000MM | Averaging air flow sensor | 1000mm probe | Dwyer
Brand: Dwyer
SKU: MAFS-1000MM
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![Dwyer MAFS-24 Averaging air flow sensor | 24" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_357b3043-298a-4ad1-825d-fa9c8fe3bb2c_medium.jpg?v=1719999268)
MAFS-24 | Averaging air flow sensor | 24" probe | Dwyer
Brand: Dwyer
SKU: MAFS-24
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![Dwyer MAFS-04 Averaging air flow sensor | 4" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_0b58d1f9-46d7-4862-9184-3d1cb03938e8_medium.jpg?v=1719999227)
MAFS-04 | Averaging air flow sensor | 4" probe | Dwyer
Brand: Dwyer
SKU: MAFS-04
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![Dwyer OSC-200 Ceiling mount infrared dual element occupancy sensor. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/osc_200_1000x1000_glow_medium.gif?v=1719999504)
OSC-200 | Ceiling mount infrared dual element occupancy sensor. | Dwyer
Brand: Dwyer
SKU: OSC-200
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![Dwyer GCK-200CO-2000CO2 Gas Calibration Kit (GROUND SHIPMENTS ONLY) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/gck_200co_2000co2292_600x600_54f34c20-1386-402d-b8f5-17fae82f2b02_medium.gif?v=1719999048)
GCK-200CO-2000CO2 | Gas Calibration Kit (GROUND SHIPMENTS ONLY) | Dwyer
Brand: Dwyer
SKU: GCK-200CO-2000CO2
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![Dwyer OSW-100 Wall or corner mount infrared dual element occupancy sensor. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/osw_100_medium.jpg?v=1719999405)
OSW-100 | Wall or corner mount infrared dual element occupancy sensor. | Dwyer
Brand: Dwyer
SKU: OSW-100
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![Dwyer MAFS-14 Averaging air flow sensor | 14" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_1545a6db-79bb-4867-8b21-9453d674f336_medium.jpg?v=1719999227)
MAFS-14 | Averaging air flow sensor | 14" probe | Dwyer
Brand: Dwyer
SKU: MAFS-14
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![Dwyer MAFS-12 Averaging air flow sensor | 12" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_321f8bcf-e75f-4609-98f7-451f38864249_medium.jpg?v=1719999252)
MAFS-12 | Averaging air flow sensor | 12" probe | Dwyer
Brand: Dwyer
SKU: MAFS-12
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![Dwyer MAFS-10 Averaging air flow sensor | 10" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_da21e595-b43b-4c9b-94b4-2dfdb98e7a08_medium.jpg?v=1719999227)
MAFS-10 | Averaging air flow sensor | 10" probe | Dwyer
Brand: Dwyer
SKU: MAFS-10
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![Dwyer MAFS-08 Averaging air flow sensor | 8" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_a38c7c76-0cbd-4f16-a429-c77164fce2ef_medium.jpg?v=1719999326)
MAFS-08 | Averaging air flow sensor | 8" probe | Dwyer
Brand: Dwyer
SKU: MAFS-08
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![Dwyer MAFS-06 Averaging air flow sensor | 6" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_1df4c006-bac2-4eb6-ba4c-dadaf0c6afee_medium.jpg?v=1719999253)
MAFS-06 | Averaging air flow sensor | 6" probe | Dwyer
Brand: Dwyer
SKU: MAFS-06
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