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    SITERWELL WiFi Smoke Detector Carbon Monoxide Detector Combo 2 in 1 Smart Fire and CO Alarm Detector with Voice Guide Replaceable Battery Auto-Check Conforms to UL 217 & UL 2034 Standards 1 Pack

    SITERWELL WiFi Smoke Detector Carbon Monoxide Detector Combo 2 in 1 Smart Fire and CO Alarm Detector...

    GS886 is combination smoke & co wifi alarm.The wifi smoke & co combo wireless detector alarm is powered by two 1.5V AA battery. Tuya wifi Dual Sensor Fire and Carbon Monoxide Alarm also contains a voice message system and SMARTHUSH Control ... more

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    $74.90 $49.99

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    AIR SYSTEMS INTL CO-91NS Replacement Sensor,Carbon Monoxide

    AIR SYSTEMS INTL CO-91NS Replacement Sensor,Carbon Monoxide

    Replacement Sensor, Sensor Type Carbon Monoxide, Compatible Detector Manufacturer Part Number BB100-CO, BB100-COIS, BB15-CO, BB30-CO, BB30-COIS, BB50-CO, BB50-COIS, CO-91, CO-91IS, CO2-91, CO2-91IS more

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    $355.99

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    KIDDE KN-COPP-B-LS Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    KIDDE KN-COPP-B-LS Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Back, Battery Locking Pin No, Battery Size AA, Communication Protocol Not Applicable, Compatible With Not Applicable, Detector Type CO Detector, Features Features End Of ... more

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    $38.89 $36.89

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    HONEYWELL XT-XWHM-Y-NA Multi-Gas Detector, 13 hr Battery Life, Yellow

    HONEYWELL XT-XWHM-Y-NA Multi-Gas Detector, 13 hr Battery Life, Yellow

    Multi-Gas Detector, Replaceable Battery Yes, Product Type Multi-Gas Detector, Display Screen Type LCD, Includes Probe Yes, Housing Color Yellow, Gas Detected Carbon Monoxide, Hydrogen Sulfide, LEL, Oxygen, Communication Protocol ... more

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    $1,258.99

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    Kidde 00120 - 120 volt Carbon Monoxide Alarm with Battery Backup (9V Battery Included) (21006406 KN-COB-IC)

    Kidde 00120 - 120 volt Carbon Monoxide Alarm with Battery Backup (9V Battery Included) (21006406 KN-...

    Kidde 120 volt - AC - Hardwire Interconnectable | Kidde Carbon Monoxide Alarm / Detector with Battery Backup (9V Battery Included) (21006406 KN-COB-IC 00120) more

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    $53.69

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    Kidde 10073 - Carbon Monoxide Alarm with Sealed Lithium Battery (21010073 C3010)

    Kidde 10073 - Carbon Monoxide Alarm with Sealed Lithium Battery (21010073 C3010)

    Kidde Electrochemical Sensor | Kidde Carbon Monoxide Alarm with Sealed Lithium Battery (21010073 C3010 10073) more

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    $57.79

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    Plug-In CO Alarm

    Plug-In CO Alarm

    Product details Carbon Monoxide Plug-In Alarm The Carbon Monoxide Plug-In Alarm features an electrochemical CO sensor to alert you to dangerous carbon monoxide. more

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    Bed Bath & Beyond

    $75.99

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    Decibel Rating Loud Alarm

    Decibel Rating Loud Alarm

    Product details The Carbon Monoxide Alarm uses an electrochemical carbon monoxide sensor.Peak Level feature displays the highest concentration of carbon monoxide measured. more

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    Bed Bath & Beyond

    $77.99

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    Battery Combo Alarm

    Battery Combo Alarm

    Product details The Slim Photoelectric Smoke and Carbon Monoxide Combo Alarm with 10-Year Battery helps protect your home from 2 potentially deadly threats by providing up to a decade of uninterrupted monitoring. more

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    Bed Bath & Beyond

    $91.99

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    2 Pack ZOUYUE Carbon Monoxide Detector CO Monoxide Alarm Monitor Battery Operated Comply with UL2034 Digital Display and Sound Alarm Warning Alerting Safety for House Kitchen Restaurant Hotel Office

    2 Pack ZOUYUE Carbon Monoxide Detector CO Monoxide Alarm Monitor Battery Operated Comply with UL2034...

    The Importance of carbon monoxide detector in our life.Where is Carbon monoxide from? From pooly burning appliances Such as Waster gas from car garages Wood-burning stoves Gas boilers and Gas Heater Oil and coal burning appliances Blocked ... more

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    $35.18 $11.99

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    SITERWELL WiFi Smoke Detector Carbon Monoxide Detector Combo 2 in 1 Smart Fire and CO Alarm Detector with Voice Guide Replaceable Battery Auto-Check Conforms to UL 217 & UL 2034 Standards 2Pack

    SITERWELL WiFi Smoke Detector Carbon Monoxide Detector Combo 2 in 1 Smart Fire and CO Alarm Detector...

    GS886W is combination smoke & co wifi alarm.The wifi smoke & co combo wireless detector alarm is powered by two 1.5V AA battery. Tuya wifi Dual Sensor Fire and Carbon Monoxide Alarm also contains a voice message system and SMARTHUSH ... more

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    $139.90 $95.99

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    3 Pack ZOUYUE Carbon Monoxide Detector CO Monoxide Alarm Monitor Battery Operated Comply with UL2034 Digital Display and Sound Alarm Warning Alerting Safety for House Kitchen Restaurant Hotel Office

    3 Pack ZOUYUE Carbon Monoxide Detector CO Monoxide Alarm Monitor Battery Operated Comply with UL2034...

    The Importance of carbon monoxide detector in our life.Where is Carbon monoxide from? From pooly burning appliances Such as Waster gas from car garages Wood-burning stoves Gas boilers and Gas Heater Oil and coal burning appliances Blocked ... more

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    $35.18 $16.99

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    2Z 2 Pack CO Carbon Monoxide Detector Digital Display Air Detection Warning Alerting Home Safety Battery Operated Alarm(White)

    2Z 2 Pack CO Carbon Monoxide Detector Digital Display Air Detection Warning Alerting Home Safety Bat...

    Specifications: --Shell Material: ABS --Color: White --Test Gas: Carbon Monoxide --Power Supply: 3* 1.5VAA batteries (Not Included) --Standby current: <80uA --Alarm Current: <80mA --Operating Temperature: 4~38℃ --Relative Humidity: ... more

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    $15.88

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    No Blocking Carbon Monoxide Detector BLACK Aluminum Composite Sign 20 x24

    No Blocking Carbon Monoxide Detector BLACK Aluminum Composite Sign 20 x24

    No Blocking Carbon Monoxide Detector BLACK Aluminum Composite Sign 20 x24 more

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    $36.99

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    No Blocking Carbon Monoxide Detector BLACK Aluminum Composite Sign 8.5 x10

    No Blocking Carbon Monoxide Detector BLACK Aluminum Composite Sign 8.5 x10

    No Blocking Carbon Monoxide Detector BLACK Aluminum Composite Sign 8.5 x10 more

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    $12.99

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    SUGARDAY Carbon Monoxide Detector Battery Operated with Digital LCD Display 2 Pack Comply with UL2034

    SUGARDAY Carbon Monoxide Detector Battery Operated with Digital LCD Display 2 Pack Comply with UL203...

    Specifications: Shell Material: ABS Test Gas: Carbon Monoxide Power Supply: 3* 1.5VAA batteries (Not Included) Standby current: <80uA Alarm Current: <80mA Operating Temperature: 4~38℃ Relative Humidity: 25~85% RH Alarm Sound: ＞85dB ... more

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    $22.99 $15.98

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    SUGARDAY Carbon Monoxide Detector Battery Operated with Digital LCD Display 1 Pack Comply with UL2034

    SUGARDAY Carbon Monoxide Detector Battery Operated with Digital LCD Display 1 Pack Comply with UL203...

    Specifications: Shell Material: ABS Test Gas: Carbon Monoxide Power Supply: 3* 1.5VAA batteries (Not Included) Standby current: <80uA Alarm Current: <80mA Operating Temperature: 4~38℃ Relative Humidity: 25~85% RH Alarm Sound: ＞85dB ... more

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    $16.99 $11.98

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    Qolsys QS5210-840 IQ Wireless Carbon Monoxide Detector

    Qolsys QS5210-840 IQ Wireless Carbon Monoxide Detector

    Make sure you know if a carbon monoxide (CO) leak occurs in your home by installing the Qolsys IQ Wireless Carbon Monoxide Detector (AKA the IQ Carbon). Used with any compatible control panel/receiver (319.5 MHz wireless frequency) such as ... more

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    $95.34 $76.24

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    System Sensor Carbon Monoxide (CO)/Smoke Detector

    System Sensor Carbon Monoxide (CO)/Smoke Detector

    Carbon monoxide (CO)/Smoke detector shall be a System Sensor model number COSMO-4W listed to UL 268 for Fire Protection Signaling Systems and to UL 2075 for Carbon Monoxide Gas Detection. The detector shall be photoelectric smoke sensing ... more

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    $159.95 $139.60

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    Kitchen Appliances Clearance Carbon Monoxide Alarm Household Indoor Carbon Monoxide Poisoning Smoke CO Detector

    Kitchen Appliances Clearance Carbon Monoxide Alarm Household Indoor Carbon Monoxide Poisoning Smoke ...

    Carbon Monoxide Alarm Household Indoor Carbon Monoxide Poisoning Smoke CO Detector Product Description Product Name: Carbon Monoxide Alarm (Mini Type) Detection gas: CO carbon monoxide Alarm mode: sound + flashing alarm Power supply mode: ... more

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    $75.05 $7.01

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    MQ-9 Carbon Monoxide CO Methane LPG Gas Detector Module

    MQ-9 Carbon Monoxide CO Methane LPG Gas Detector Module

    This MQ-9 sensor module is a simple to use carbon monoxide (CO) and combustible gas (Methane (CH4) LPG) sensor suitable for detecting CO methane and LPG gas concentrations in the air. The MQ-9 can detect CO gas concentrations anywhere from ... more

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    $6.39

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    ammoon Gas alarm Dazzduo Alarm Alarm Monoxide With Sound Carbon Monoxide Tester Wifi Monoxide Sound Alarm Monoxide Portable Co Tester Screen Carbon Wifi Portable Battery Reminder Low Battery

    ammoon Gas alarm Dazzduo Alarm Alarm Monoxide With Sound Carbon Monoxide Tester Wifi Monoxide Sound ...

    Tuya Wifi Portable Electrochemical Sensor CO Tester LCD Screen Carbon Monoxide Detector with Sound Lihgt Alarm and Low Battery Reminder Function Adopts high accurate electrochemical sensors fast response highly precise measurement and more ... more

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    $19.59

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    Professional Lab CA101 Do It Yourself Professional Carbon Monoxide Test Kit - Quantity of 6

    Professional Lab CA101 Do It Yourself Professional Carbon Monoxide Test Kit - Quantity of 6

    FREE GROUND SHIPPING IN THE CONTINENTAL USA (LOWER 48 STATES) Lot Sale of (6) Do It Yourself Professional Carbon Monoxide Test Kits CA101 799724 Quantity of (6) Test Kits: The Pro-Lab professional carbon monoxide test kit and detector is a ... more

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    $99.89

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    Brk Electron 1039885 CO250RVA RV Approved Battery Powered CO Alarm

    Brk Electron 1039885 CO250RVA RV Approved Battery Powered CO Alarm

    1039885 BRK Electronics Carbon Monoxide Detector; BRK single station carbon monoxide alarm specifically designed for RV use as defined by the RVIA. Designed to provide early warning of the presence of carbon monoxide. It features an ... more

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    $39.68

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    RV Safe RVLP2B Propane Gas Alarm 2-wire - Black

    RV Safe RVLP2B Propane Gas Alarm 2-wire - Black

    RV Safe propane gas and carbon monoxide detector quickly and accurately alerts you to potentially dangerous levels of gas in your RV. This detector can replace almost any RV detector thanks to the included universal mounting brackets. ... more

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    $75.97

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    RV Safe RVLP2B Propane Gas Alarm 2-wire - Black

    RV Safe RVLP2B Propane Gas Alarm 2-wire - Black

    RV Safe propane gas and carbon monoxide detector quickly and accurately alerts you to potentially dangerous levels of gas in your RV. This detector can replace almost any RV detector thanks to the included universal mounting brackets. ... more

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    $75.61

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    Msa Safety Replacement Sensor Combustibles 10106722

    Msa Safety Replacement Sensor Combustibles 10106722

    Gas Detector Sensor Gas Detected Carbon Monoxide Hydrogen Sulfide Measurement Range 0 to 100 Percent Compatible Detector Model/Series ALTAIR 4XR ALTAIR 5X Compatible Detector Grainger Part Number 45KE54 45KE55 481P57 Sensor Type Catalytic ... more

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    $619.23

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    TEST PRODUCTS INTERNATIONAL 775 Gas Detector 0-9999 ppm,CO 0-2000 ppm

    TEST PRODUCTS INTERNATIONAL 775 Gas Detector 0-9999 ppm,CO 0-2000 ppm

    Combustible Gas Detector, Calibration Certificate Type Available Separately, Features Auto Zero, One-Hand Operation, Gases Detected Carbon Monoxide, Includes Soft Carrying Case, Maximum Operating Temperature 104 Degrees F, Minimum ... more

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    $368.99

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    MACURCO CM-6 Gas Detector,CO,LED,0 to 200 ppm

    MACURCO CM-6 Gas Detector,CO,LED,0 to 200 ppm

    Fixed Gas Detector, For Use With Macurco Control Panel, Gas Detected Carbon Monoxide, Standards cETLus Certified, Includes Manual, Product Type Stand-Alone Detector & Controller, Mounting Location Wall, Number of Relays 2, Sensor Type ... more

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    $483.99

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    Gas Detector Carbon Dioxide Tester Visible Carbon Dioxide Detector End of Breath Module For Pet Use Accessories Clinic

    Gas Detector Carbon Dioxide Tester Visible Carbon Dioxide Detector End of Breath Module For Pet Use ...

    SPECIFICATIONS Brand Name: NoEnName_Null Origin: Mainland China Model Number: ETCO2 more

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    $1,543.99

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    Gas Detector Carbon Dioxide Tester Visible Carbon Dioxide Detector End of Breath Module For Pet Use Accessories Clinic

    Gas Detector Carbon Dioxide Tester Visible Carbon Dioxide Detector End of Breath Module For Pet Use ...

    SPECIFICATIONS Brand Name: NoEnName_Null Origin: Mainland China Model Number: ETCO2 more

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    $1,543.99

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    Multifunctional air quality detector carbon dioxide formaldehyde detector

    Multifunctional air quality detector carbon dioxide formaldehyde detector

    feature: *Professional formaldehyde detection multi-function sensor *The use of air convection in electrochemical sensors solves the problem that traditional sensors cannot effectively cope with gas interference. It uses step-by-step ... more

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    $40.65

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    1 Set Gas Detector Gas Analyzer Air Monitor Carbon Dioxide Temperature Humidity Detector

    1 Set Gas Detector Gas Analyzer Air Monitor Carbon Dioxide Temperature Humidity Detector

    Description Are you looking for professional products with reasonable prices? Are you looking for a sturdy durable and reliable carbon dioxide detector that can complete multiple tasks? If so our products will be your best choice! Our ... more

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    $20.99 $18.89

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    Hemoton 1 Set Gas Detector Gas Analyzer Air Monitor Carbon Dioxide Temperature Humidity Detector

    Hemoton 1 Set Gas Detector Gas Analyzer Air Monitor Carbon Dioxide Temperature Humidity Detector

    Description Are you looking for professional products with reasonable prices? Are you looking for a sturdy durable and reliable carbon dioxide detector that can complete multiple tasks? If so our products will be your best choice! Our ... more

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    $19.79 $17.81

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    Multifunctional air quality detector carbon dioxide formaldehyde detector

    Multifunctional air quality detector carbon dioxide formaldehyde detector

    feature: *Professional formaldehyde detection multi-function sensor *The use of air convection in electrochemical sensors solves the problem that traditional sensors cannot effectively cope with gas interference. It uses step-by-step ... more

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    $44.59

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    NUOLUX 1 Set Gas Detector Gas Analyzer Air Monitor Carbon Dioxide Temperature Humidity Detector

    NUOLUX 1 Set Gas Detector Gas Analyzer Air Monitor Carbon Dioxide Temperature Humidity Detector

    Description Are you looking for professional products with reasonable prices? Are you looking for a sturdy durable and reliable carbon dioxide detector that can complete multiple tasks? If so our products will be your best choice! Our ... more

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    $21.89 $19.69

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    1 Set Gas Detector Gas Analyzer Air Monitor Carbon Dioxide Temperature Humidity Detector

    1 Set Gas Detector Gas Analyzer Air Monitor Carbon Dioxide Temperature Humidity Detector

    Description Are you looking for professional products with reasonable prices? Are you looking for a sturdy durable and reliable carbon dioxide detector that can complete multiple tasks? If so our products will be your best choice! Our ... more

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    $21.00

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    Hemoton 1 Set Gas Detector Gas Analyzer Air Monitor Carbon Dioxide Temperature Humidity Detector

    Hemoton 1 Set Gas Detector Gas Analyzer Air Monitor Carbon Dioxide Temperature Humidity Detector

    Description Are you looking for professional products with reasonable prices? Are you looking for a sturdy durable and reliable carbon dioxide detector that can complete multiple tasks? If so our products will be your best choice! Our ... more

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    $22.78 $20.50

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