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Welcome to ACI Products! We offer over 6000 products, such as CO and NO2 sensors, current switches, temperature and humidity monitors, and more.
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![ACI A/TT100-D-4"-4-4X DUCT 4", 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-d-18-4x_9054ff96-75b9-4b58-bb24-84cfdaa74d2a_medium.png?v=1719982613)
A / TT100-D-4"-4-4X | DUCT 4", 4X | ACI
Brand: ACI
SKU: A/TT100-D-4"-4-4X
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![ACI A/TT100-BO-4 BOARD ONLY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-bo-1_ad5562fc-f9b1-4d9d-8289-19f447697120_medium.jpg?v=1719982585)
A / TT100-BO-4 | BOARD ONLY | ACI
Brand: ACI
SKU: A/TT100-BO-4
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![ACI A/TT100-D-4"-2-GD DUCT 4", GD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-18-4-gd_6fbd1d08-f5e9-497f-9467-43d9d64e602c_medium.png?v=1719982618)
A / TT100-D-4"-2-GD | DUCT 4", GD | ACI
Brand: ACI
SKU: A/TT100-D-4"-2-GD
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![ACI A/TT100-BO-2 BOARD ONLY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-bo-1_medium.jpg?v=1719982608)
A / TT100-BO-2 | BOARD ONLY | ACI
Brand: ACI
SKU: A/TT100-BO-2
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![ACI A/SYPHON-90-H 1/4" SYPHON, 90 DEG SCH 80 316 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-syphon-180-h_630e740b-63d1-4fb1-91b7-36526308e7a2_medium.jpg?v=1719982594)
A / SYPHON-90-H | 1 / 4" SYPHON, 90 DEG SCH 80 316 | ACI
Brand: ACI
SKU: A/SYPHON-90-H
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![ACI A/TT100-D-12"-4-GD DUCT 12", GD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-18-4-gd_7032327e-ba77-4303-b1f0-1c03ca8961cd_medium.png?v=1719982594)
A / TT100-D-12"-4-GD | DUCT 12", GD | ACI
Brand: ACI
SKU: A/TT100-D-12"-4-GD
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![ACI QTS-61160X-E000000 CARBON MONOXIDE, ALUM EXP PRF | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qts-17131x-s000000_44059492-cab5-4ad2-97ca-008364538f28_medium.png?v=1719983180)
QTS-61160X-E000000 | CARBON MONOXIDE, ALUM EXP PRF | ACI
Brand: ACI
SKU: QTS-61160X-E000000
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![ACI QTS-61160X-C000000 CARBON MONOXIDE,0-250PPM,NEMA1 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qts-17131x-s000000_70d812d7-347c-4668-868c-2cae4e07117c_medium.png?v=1719983107)
QTS-61160X-C000000 | CARBON MONOXIDE, 0-250PPM, NEMA1 | ACI
Brand: ACI
SKU: QTS-61160X-C000000
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![ACI QTS-61150X-E000000 NITROGEN DIOXIDE, ALUM EXP PRF | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qts-17131x-s000000_c212a62f-04ad-4633-9daf-3982d5bde3d5_medium.png?v=1719983143)
QTS-61150X-E000000 | NITROGEN DIOXIDE, ALUM EXP PRF | ACI
Brand: ACI
SKU: QTS-61150X-E000000
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![ACI QTS-61120X-N000000 CHLORINE, 0-3PPM, NEMA 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qts-17131x-s000000_834e0e55-df55-4630-a474-74210763e2a0_medium.png?v=1719983086)
QTS-61120X-N000000 | CHLORINE, 0-3PPM, NEMA 4X | ACI
Brand: ACI
SKU: QTS-61120X-N000000
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![ACI QTS-61120X-E000000 TOXIC CHLORINE, EXP PROOF HOUS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qts-17131x-s000000_7cdb4e19-c815-4f4b-8356-e26b07387f1c_medium.png?v=1719983124)
QTS-61120X-E000000 | TOXIC CHLORINE, EXP PROOF HOUS | ACI
Brand: ACI
SKU: QTS-61120X-E000000
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![ACI QTS-61110X-S000000 HYDROGEN SULPHIDE,EXPL PROF,SS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qts-17131x-s000000_defaa364-a0e2-4e61-a53a-b4640621b262_medium.png?v=1719983120)
QTS-61110X-S000000 | HYDROGEN SULPHIDE, EXPL PROF, SS | ACI
Brand: ACI
SKU: QTS-61110X-S000000
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![ACI QIRF-R116X-0 R116 FREON | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qirf-r1233zd-0-x_9c436075-a2d4-4359-96b4-8840d963c772_medium.png?v=1719983076)
QIRF-R116X-0 | R116 FREON | ACI
Brand: ACI
SKU: QIRF-R116X-0
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![ACI QTS-61150X-N000000 NITROGEN DIOXIDE W/NEMA 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qts-17131x-s000000_545d7968-f3cb-4a22-9cf1-35c90c475b15_medium.png?v=1719983110)
QTS-61150X-N000000 | NITROGEN DIOXIDE W / NEMA 4X | ACI
Brand: ACI
SKU: QTS-61150X-N000000
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![ACI QTS-17101X-S000000 METHANE-R SENSOR W/EXPL ENC,5% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qts-17131x-s000000_88b2454f-ec47-4b87-9729-6abd72aef9b2_medium.png?v=1719983143)
QTS-17101X-S000000 | METHANE-R SENSOR W / EXPL ENC, 5% | ACI
Brand: ACI
SKU: QTS-17101X-S000000
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![ACI Q8-O2-25V-R-X OXYGEN, 0-25%, REMOTE MNT SENR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_0c2c058a-883d-4456-b6ac-adaa490081f4_medium.png?v=1719983072)
Q8-O2-25V-R-X | OXYGEN, 0-25%, REMOTE MNT SENR | ACI
Brand: ACI
SKU: Q8-O2-25V-R-X
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![ACI Q8-O2-25V-O-X OXYGEN, ELECTROCHEM, 0-25% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_88ef5fb0-d3d4-4d2c-8cc6-b36034083744_medium.png?v=1719983110)
Q8-O2-25V-O-X | OXYGEN, ELECTROCHEM, 0-25% | ACI
Brand: ACI
SKU: Q8-O2-25V-O-X
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![ACI QIRF-R114X-0 FREON, INFRARED, R114, 0-1KPPM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-qirf-r1233zd-0-x_medium.png?v=1719983119)
QIRF-R114X-0 | FREON, INFRARED, R114, 0-1KPPM | ACI
Brand: ACI
SKU: QIRF-R114X-0
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![ACI Q8-H2S-25P-O-X HYDROGEN SULFIDE W/LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_c3c30ade-8142-48b8-8a01-e4276452f15f_medium.png?v=1719983139)
Q8-H2S-25P-O-X | HYDROGEN SULFIDE W / LCD | ACI
Brand: ACI
SKU: Q8-H2S-25P-O-X
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![ACI Q8-H2-100L-O-X HYDROGEN,CATALYTIC BEAD,0-100% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_90b65f7d-e291-4cd4-aaef-815572393364_medium.png?v=1719983147)
Q8-H2-100L-O-X | HYDROGEN, CATALYTIC BEAD, 0-100% | ACI
Brand: ACI
SKU: Q8-H2-100L-O-X
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![ACI Q8-GENL-100L-O-X-TOULENE TOULENE, CATALYTIC BEAD,0-100% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_41ed4e75-73c7-42e7-8c38-a98b1edd93c8_medium.png?v=1719983133)
Q8-GENL-100L-O-X-TOULENE | TOULENE, CATALYTIC BEAD, 0-100% | ACI
Brand: ACI
SKU: Q8-GENL-100L-O-X-TOULENE
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![ACI Q8-GENL-100L-O-X-ACETYLENE ACETYLENE,CATALYTIC BEAD,0-100 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-q8-butan-100l-r-x_7a482ab5-5b9d-4de0-9d67-01c3a8975570_medium.png?v=1719983208)
Q8-GENL-100L-O-X-ACETYLENE | ACETYLENE, CATALYTIC BEAD, 0-100 | ACI
Brand: ACI
SKU: Q8-GENL-100L-O-X-ACETYLENE
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