air quality sensors
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![Johnson Controls A-4110-604 FILTER ELEMENT 10 SCFM; WITH O-RINGS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A-4110-604_medium.jpg?v=1719992666)
A-4110-604 | FILTER ELEMENT 10 SCFM; WITH O-RINGS | Johnson Controls
Brand: Johnson Controls
SKU: A-4110-604
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![Neptronic TRO54P3X1 2 Analog Outputs, 3 Digital outputs, 2 Sensor Inputs | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TRO54_15e74c83-eef7-4761-93a0-f46fc3eabd49_medium.png?v=1720017847)
TRO54P3X1 | 2 Analog Outputs, 3 Digital outputs, 2 Sensor Inputs | Neptronic
Brand: Neptronic
SKU: TRO54P3X1
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![York S1-02635511124 Fan Guard 24 Inch Black Replacement for S1-02634794000 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/no-image_3b5b1832-f08d-4e85-a8ce-de27247c8eed_medium.jpg?v=1720028162)
S1-02635511124 | Fan Guard 24 Inch Black Replacement for S1-02634794000 | York
Brand: York
SKU: S1-02635511124
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![Ultravation PTXGI-1224 UVPhotoMax 24 VAC with extended PCO plates plus ionization. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/UVPhotoMAX-GI-900x600-1_95016856-c37b-4f08-9407-d1ec58941f6e_medium.jpg?v=1720046147)
PTXGI-1224 | UVPhotoMax 24 VAC with extended PCO plates plus ionization. | Ultravation
Brand: Ultravation
SKU: PTXGI-1224
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![Siemens S55720-S562 AQM.KIT4112 AQM Wiring Kit for ECO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_6aac0ad8-8d7d-47c0-a88c-9ebb15568e03_medium.png?v=1720033333)
S55720-S562 | AQM.KIT4112 AQM Wiring Kit for ECO | Siemens
Brand: Siemens
SKU: S55720-S562
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![Veris GPS-FC24-AC Ion Emitter,Internal Duct,2400CFM/6 Ton | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GPS-FC24-AC_74e533d6-48f5-42d3-a8b2-40e8e60ee011_medium.jpg?v=1720029738)
GPS-FC24-AC | Ion Emitter, Internal Duct, 2400CFM / 6 Ton | Veris
Brand: Veris
SKU: GPS-FC24-AC
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![Veris CWLSHTD CO2 | Wall | LCD | RH 2% | Temp | 10k T2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CWLSHTD_1b727be3-d51e-462e-b3d0-3ef0dc02c1a9_medium.jpg?v=1720029721)
CWLSHTD | CO2 | Wall | LCD | RH 2% | Temp | 10k T2 | Veris (OBSOLETE)
Brand: Veris
SKU: CWLSHTD
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![Veris CW2XAXA CO2,Wall,Temp,Xmtr | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/U001-0111_b1b415ff-6b98-4ec6-ab71-c6b253765cc1_medium.png?v=1720029712)
CW2XAXA | CO2, Wall, Temp, Xmtr | Veris
Brand: Veris
SKU: CW2XAXA
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![Veris CW2XA2A CO2,Wall,RH 2%,Temp,Xmtr | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/U001-0111_9a91a19f-947b-4621-86fe-3638407eb5f1_medium.png?v=1720029701)
CW2XA2A | CO2, Wall, RH 2%, Temp, Xmtr | Veris
Brand: Veris
SKU: CW2XA2A
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![Veris CDLSXTK CO2 | Duct | LCD | Temp | 10k w/11kS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CDLSXTK_medium.jpg?v=1720029696)
CDLSXTK | CO2 | Duct | LCD | Temp | 10k w / 11kS | Veris
Brand: Veris
SKU: CDLSXTK
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![Veris CW2XA2D CO2,Wall,RH 2%,Temp,10K T2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/U001-0111_577dd304-d031-4b5d-9f02-aaff4bc7e4b6_medium.png?v=1720029690)
CW2XA2D | CO2, Wall, RH 2%, Temp, 10K T2 | Veris
Brand: Veris
SKU: CW2XA2D
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![Veris CDLSXTD CO2 | Duct | LCD | Temp | 10k T2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CDLSXTD_medium.jpg?v=1720029677)
CDLSXTD | CO2 | Duct | LCD | Temp | 10k T2 | Veris
Brand: Veris
SKU: CDLSXTD
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![Veris CW2TA2A Wall Air Quality Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CW2TA2A_medium.png?v=1720029669)
CW2TA2A | Wall Air Quality Sensor | Veris
Brand: Veris
SKU: CW2TA2A
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![Veris CW2LA2C CO2,Wall,LCD,RH 2%,Temp,1K Pt | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CW2LA2AV_e264c26c-2d4b-4e38-b5a2-460202b94257_medium.png?v=1720029671)
CW2LA2C | CO2, Wall, LCD, RH 2%, Temp, 1K Pt | Veris
Brand: Veris
SKU: CW2LA2C
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![Veris CWE2H Sensor, CO2, Economy, Wall,Temp,10K T3 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/U001-0111_912ac99b-62d4-4a09-808c-14a8f1bc59b0_medium.png?v=1720029667)
CWE2H | Sensor, CO2, Economy, Wall, Temp, 10K T3 | Veris
Brand: Veris
SKU: CWE2H
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![Veris CW2LAXH CO2,Wall,LCD,Temp,10K T3 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CW2LA2AV_medium.png?v=1720029665)
CW2LAXH | CO2, Wall, LCD, Temp, 10K T3 | Veris
Brand: Veris
SKU: CW2LAXH
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![Veris AA50 Acc | Duct Kit | CO2 | w/Duct+Pick-Up+Filtr | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/AA50_medium.jpg?v=1720029642)
AA50 | Acc | Duct Kit | CO2 | w / Duct+Pick-Up+Filtr | Veris
Brand: Veris
SKU: AA50
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![Veris AA01 Accessory | CO2 Cal Kit 1 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/AA01_medium.jpg?v=1720029616)
AA01 | Accessory | CO2 Cal Kit 1 | Veris
Brand: Veris
SKU: AA01
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![Rgf Environmental Prod REME-LED Air Purifier Halo-LED Whole Home In-Duct 24 Voltage Alternating Current | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/841568_medium.jpg?v=1720027982)
REME-LED | Air Purifier Halo-LED Whole Home In-Duct 24 Voltage Alternating Current | Rgf Environmental Prod
Brand: Rgf Environmental Prod
SKU: REME-LED
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![Panasonic FV-1115VK2 Ventilation Fan Whisper Green Select V2 150 CFM White | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/652820_medium.jpg?v=1720027901)
FV-1115VK2 | Ventilation Fan Whisper Green Select V2 150 CFM White | Panasonic
Brand: Panasonic
SKU: FV-1115VK2
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![Panasonic FV-05-11VKS2 Ventilation Fan Whisper Green Select V2 50-110 CFM White | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/652819_medium.jpg?v=1720027900)
FV-05-11VKS2 | Ventilation Fan Whisper Green Select V2 50-110 CFM White | Panasonic
Brand: Panasonic
SKU: FV-05-11VKS2
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![Siemens QPA2062D Room Sensor CO2 + Temperature + Relative Humidity with Display, 0-10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/QPA2062D_medium.jpg?v=1720023785)
QPA2062D | Room Sensor CO2 + Temperature + Relative Humidity with Display, 0-10V | Siemens
Brand: Siemens
SKU: QPA2062D
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![Siemens 356-090 Mounting Kit, Swivel Flange, Product Group 356 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_ef16cf91-490f-4aee-9fa9-1c1668e68dee_medium.png?v=1720022410)
356-090 | Mounting Kit, Swivel Flange, Product Group 356 | Siemens
Brand: Siemens
SKU: 356-090
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MA-418-500 | Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Schneider Electric
Brand: Schneider Electric
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MA-418 | Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Schneider Electric
Brand: Schneider Electric
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PW2XX05S | Pressure | Wet | NEMA 4 | 0-250PSID | Veris
Brand: Veris
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E50B1 | DIN Energy Meter | VAR Pulse Out | Veris
Brand: Veris
SKU: E50B1