Air flow sensors Air quality Category/type
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![Dwyer AVFS-2 Thermo air flow switch | 24 VDC. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/avfs_600x600_0f8feab5-c3e9-4cae-a463-834e69ce4b05_medium.gif?v=1719998459)
AVFS-2 | Thermo air flow switch | 24 VDC. | Dwyer
Brand: Dwyer
SKU: AVFS-2
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![Dwyer AAFS Adjustable air flow paddle switch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aafs__new_600x600_396b6914-9b00-49a4-ad22-3cb74a983b5e_medium.gif?v=1719998345)
AAFS | Adjustable air flow paddle switch | Dwyer
Brand: Dwyer
SKU: AAFS
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![Dwyer AVFS-1 Thermo air flow switch | 80-250 AC/DC. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/avfs_600x600_2e71e23a-8937-4f51-bfa9-54aeec640429_medium.gif?v=1719998459)
AVFS-1 | Thermo air flow switch | 80-250 AC / DC. | Dwyer
Brand: Dwyer
SKU: AVFS-1
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![Dwyer MAFS-42 Averaging air flow sensor | 42" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_e9cd9e54-f96c-477a-bcad-39496d5b4f8e_medium.jpg?v=1719999475)
MAFS-42 | Averaging air flow sensor | 42" probe | Dwyer
Brand: Dwyer
SKU: MAFS-42
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![Dwyer PAFS-1011 Averaging flow sensor | 23-29/32" (60.72 cm) insertion length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pafs_1000_600x600_1_ccbeaac8-ad04-4dc3-a54e-03ed7ea00556_medium.gif?v=1719999450)
PAFS-1011 | Averaging flow sensor | 23-29 / 32" (60.72 cm) insertion length. | Dwyer
Brand: Dwyer
SKU: PAFS-1011
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![Dwyer PAFS-1008 Averaging flow sensor | 17-1/8" (43.50 cm) insertion length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pafs_1000_600x600_1_2223b824-5c2f-47d9-a050-afba3459e7b6_medium.gif?v=1719999416)
PAFS-1008 | Averaging flow sensor | 17-1 / 8" (43.50 cm) insertion length. | Dwyer
Brand: Dwyer
SKU: PAFS-1008
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![Dwyer MAFS-650MM Averaging air flow sensor | 650mm probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_a8736c37-8b5a-486f-aa18-2e0b9a38a7a6_medium.jpg?v=1719999322)
MAFS-650MM | Averaging air flow sensor | 650mm probe | Dwyer
Brand: Dwyer
SKU: MAFS-650MM
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![Dwyer MAFS-26 Averaging air flow sensor | 26" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_2f24b834-4429-4448-93ca-2eb9d1c58cb0_medium.jpg?v=1719999297)
MAFS-26 | Averaging air flow sensor | 26" probe | Dwyer
Brand: Dwyer
SKU: MAFS-26
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![Dwyer MAFS-44 Averaging air flow sensor | 44" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_f6e00916-525e-43c9-a822-8a5528f5c43e_medium.jpg?v=1719999291)
MAFS-44 | Averaging air flow sensor | 44" probe | Dwyer
Brand: Dwyer
SKU: MAFS-44
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![Dwyer MAFS-32 Averaging air flow sensor | 32" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_74c26bde-616a-4979-b03d-dc26282dacea_medium.jpg?v=1719999287)
MAFS-32 | Averaging air flow sensor | 32" probe | Dwyer
Brand: Dwyer
SKU: MAFS-32
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![Dwyer MAFS-500MM Averaging air flow sensor | 500mm probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_15d77b49-c74c-47c1-8b38-ad5c84487971_medium.jpg?v=1720007115)
MAFS-500MM | Averaging air flow sensor | 500mm probe | Dwyer
Brand: Dwyer
SKU: MAFS-500MM
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![Dwyer MAFS-22 Averaging air flow sensor | 22" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_228bbdd2-78a2-4764-bbc2-348bbac4477e_medium.jpg?v=1719999277)
MAFS-22 | Averaging air flow sensor | 22" probe | Dwyer
Brand: Dwyer
SKU: MAFS-22
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![Dwyer MAFS-40 Averaging air flow sensor | 40" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_ea09a649-9ba5-430c-a5e9-0963efc46537_medium.jpg?v=1719999267)
MAFS-40 | Averaging air flow sensor | 40" probe | Dwyer
Brand: Dwyer
SKU: MAFS-40
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![Dwyer MAFS-28 Averaging air flow sensor | 28" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_09b539b6-259e-4d09-af7d-1b7a888a4f05_medium.jpg?v=1719999262)
MAFS-28 | Averaging air flow sensor | 28" probe | Dwyer
Brand: Dwyer
SKU: MAFS-28
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![Dwyer MAFS-1500MM Averaging air flow sensor | 1500mm probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_89e7dc5e-9946-48fd-97d9-b5a6ac3fed71_medium.jpg?v=1719999262)
MAFS-1500MM | Averaging air flow sensor | 1500mm probe | Dwyer
Brand: Dwyer
SKU: MAFS-1500MM
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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-100MM Averaging air flow sensor | 100mm probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_3968a7b5-ae5c-4688-bd0d-0715777075ab_medium.jpg?v=1719999246)
MAFS-100MM | Averaging air flow sensor | 100mm probe | Dwyer
Brand: Dwyer
SKU: MAFS-100MM
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![Dwyer MAFS-38 Averaging air flow sensor | 38" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_88a0ee42-ead9-4721-ae4b-272443ad5bf2_medium.jpg?v=1719999242)
MAFS-38 | Averaging air flow sensor | 38" probe | Dwyer
Brand: Dwyer
SKU: MAFS-38
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![Dwyer MAFS-450MM Averaging air flow sensor | 450mm probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_39c782ab-60ef-40ff-8aa9-69c7ad45da83_medium.jpg?v=1719999242)
MAFS-450MM | Averaging air flow sensor | 450mm probe | Dwyer
Brand: Dwyer
SKU: MAFS-450MM
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![Dwyer MAFS-800MM Averaging air flow sensor | 800mm probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_5595eb8c-a367-4eb1-b87a-b5308403a969_medium.jpg?v=1719999232)
MAFS-800MM | Averaging air flow sensor | 800mm probe | Dwyer
Brand: Dwyer
SKU: MAFS-800MM
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![Dwyer MAFS-46 Averaging air flow sensor | 46" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_0b7551e5-9c8c-4d78-83cd-2bf03cd726d2_medium.jpg?v=1719999227)
MAFS-46 | Averaging air flow sensor | 46" probe | Dwyer
Brand: Dwyer
SKU: MAFS-46
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![Dwyer MAFS-36 Averaging air flow sensor | 36" probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/mafs_04_01_04_1000x1000_686065f5-ef2c-4d86-91ed-a67faf1d6d5b_medium.jpg?v=1719999227)
MAFS-36 | Averaging air flow sensor | 36" probe | Dwyer
Brand: Dwyer
SKU: MAFS-36
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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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