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Best selling products: Best
WeMo Home Carbon Monoxide Detectors Detectors
Bestselling
Top Rated
1
Rank 1
Google Nest Protect Smoke and Carbon Monoxide Alarm 2nd Gen - S3000BWES
(400)
$9.59 New
$9.59 New
---- Used
No used products available
2
Rank 2
BRK SC9120B Smoke & Carbon Monoxide Detector
(20)
$53.99 New
$53.99 New
---- Used
No used products available
3
Rank 3
Google Nest Protect Carbon Monoxide Smoke Detector - S3003LWES
(203)
$16.00 New
$16.00 New
---- Used
No used products available
4
Rank 4
Airthings Continuous Wave Smart Radon Detector Monitoring Battery Operated Home
(1)
$44.99 New
$44.99 New
---- Used
No used products available
5
Rank 5
Kidde Smart Smoke Carbon Monoxide Alarm Detector - P4010ACSCOAQWF
(6)
$38.99 New
$38.99 New
$29.91 Used
$29.91 Used
6
Rank 6
Kidde 21006377 Hardwired Combination Carbon Monoxide & Smoke Alarm
(181)
$105.50 New
$105.50 New
$69.95 Used
$69.95 Used
7
Rank 7
First Alert SC9120B Smoke and Carbon Monoxide Detector
(329)
$58.99 New
$58.99 New
$16.99 Used
$16.99 Used
8
Rank 8
Honeywell 5800SMOKEV Wireless Smoke Heat Detecto Factory / w Battery
(2)
$64.99 New
$64.99 New
---- Used
No used products available
9
Rank 9
Digital Radon Detector Airthings 2350
(95)
$49.99 New
$49.99 New
$29.97 Used
$29.97 Used
10
Rank 10
SITERWELL 10 Year Carbon Monoxide Detector Alarm LCD Digital Display for House
(7)
$20.99 New
$20.99 New
---- Used
No used products available
11
Rank 11
Kidde 21007581 Hardwired Smoke Alarm with Battery Backup
(217)
$24.99 New
$24.99 New
$10.00 Used
$10.00 Used
12
Rank 12
BRK First Alert 9120B Smoke Detector
(566)
$16.91 New
$16.91 New
$15.00 Used
$15.00 Used
13
Rank 13
Google Nest Temperature Sensor - White (T5000SF)
(83)
$19.95 New
$19.95 New
$12.00 Used
$12.00 Used
14
Rank 14
Kidde 30CUA10 Smoke & Carbon Monoxide Alarm Hardwired 10-Year Battery |
$45.00 New
$45.00 New
---- Used
No used products available
15
Rank 15
Kidde P4010ACSCO-WF Smoke + Carbon Monoxide Smart Alarm
(1)
$34.99 New
$34.99 New
---- Used
No used products available
16
Rank 16
Kidde 30CUAR Hardwired Smoke and Carbon Monoxide Detector with Battery Backup
(2)
$34.99 New
$34.99 New
---- Used
No used products available
17
Rank 17
Kidde 900-CUAR-V Smoke & Carbon Monoxide Detector - 21032084
(2)
$89.99 New
$89.99 New
---- Used
No used products available
18
Rank 18
Kidde Worry-Free Combination Smoke and Carbon Monoxide Alarm
(38)
$29.90 New
$29.90 New
$24.99 Used
$24.99 Used
19
Rank 19
Kidde Smoke & Carbon Monoxide Detector AA Battery Powered LED 900-CUDR
(3)
$15.95 New
$15.95 New
---- Used
No used products available
20
Rank 20
Siterwell Travel Carbon Monoxide Detector GS828A 10 year Product Life (4 pack)
$65.99 New
$65.99 New
---- Used
No used products available
21
Rank 21
5 PACK SITERWELL Hardwired Smoke Alarm Carbon Monoxide Detector Interconnected
$169.99 New
$169.99 New
---- Used
No used products available
22
Rank 22
First Alert 9120B6CP Smoke Alarm - 6 Pack
(38)
$92.99 New
$92.99 New
---- Used
No used products available
23
Rank 23
First Alert BRK SMICO105-AC Smoke/Carbon Mono Alarm Pack of 6 Pieces
(4)
$54.95 New
$54.95 New
---- Used
No used products available
24
Rank 24
Kidde Detect Smoke Carbon Monoxide Alarm (30CUAR)
$28.99 New
$28.99 New
$20.00 Used
$20.00 Used
25
Rank 25
10 Year Kidde Smoke Alarm Detector Interconnected W/ Photoelectric Sensor 20SA10
$27.44 New
$27.44 New
---- Used
No used products available
26
Rank 26
Kidde 21006378 Hardwire Smoke Alarm Detector
(123)
$18.00 New
$18.00 New
---- Used
No used products available
27
Rank 27
Kidde 21006377-N FIREX Combination Smoke & Carbon Monoxide Alarm KN-COSM-IBA
$799.00 New
$799.00 New
---- Used
No used products available
28
Rank 28
BRK 1046721 SM100V-AC Interconnect Hardwire Smoke Alarm With Battery Backup
$27.99 New
$27.99 New
---- Used
No used products available
29
Rank 29
Kidde 120v Hardwire Smoke Detector Battery Backup Voice Alarm P4010acs
(3)
$21.32 New
$21.32 New
$14.99 Used
$14.99 Used
30
Rank 30
First Alert Z-Wave Smoke & Carbon Monoxide Detector Works with Ring
(31)
$38.99 New
$38.99 New
$16.07 Used
$16.07 Used
31
Rank 31
Kidde P4010ACSAQ-WF Indoor Smoke Alarm - White
(1)
$24.99 New
$24.99 New
$22.00 Used
$22.00 Used
32
Rank 32
Kidde Smart Hardwired Wi-Fi Enabled Smoke Alarm with Photoelectric Sensor
(1)
$22.21 New
$22.21 New
---- Used
No used products available
33
Rank 33
Kidde 21007588 120V AC wire-in Hush Smoke Alarm with Battery Backup - 4 Pack
(40)
$71.59 New
$71.59 New
$69.99 Used
$69.99 Used
34
Rank 34
Kidde 201025759 120V Tamper Resistant Plug-In Carbon Monoxide Detector
(53)
$12.98 New
$12.98 New
---- Used
No used products available
35
Rank 35
Airthings 223 Corentium Home Radon Detector
(188)
$76.75 New
$76.75 New
$50.00 Used
$50.00 Used
36
Rank 36
First Alert CO400 Carbon Monoxide Alarm Detector
(172)
$10.99 New
$10.99 New
---- Used
No used products available
37
Rank 37
Kidde I12060 Smoke Alarm - White
(40)
$34.99 New
$34.99 New
$22.00 Used
$22.00 Used
38
Rank 38
Kidde Detect 30CUDR / 21032830 Combination Smoke & Carbon Monoxide Alarm White
(1)
$44.99 New
$44.99 New
---- Used
No used products available
39
Rank 39
Kidde Carbon Monoxide Alarm 120v Direct Wire W Battery Backup 900-0120 B24
(15)
$18.00 New
$18.00 New
---- Used
No used products available
40
Rank 40
System Sensor CO1224T Carbon Monoxide Detector
(7)
$69.99 New
$69.99 New
$59.00 Used
$59.00 Used
41
Rank 41
Ring 4SS1S8-0EN0 Alarm Smoke & CO Listener
(15)
$21.99 New
$21.99 New
$17.99 Used
$17.99 Used
42
Rank 42
Kidde Hardwired Smoke & Carbon Monoxide Detector Combination Alarm Pink 30CUA10
$45.99 New
$45.99 New
---- Used
No used products available
43
Rank 43
Kidde 21026056 Model i9040 Ionization Smoke Alarm
(183)
$14.89 New
$14.89 New
$8.00 Used
$8.00 Used
44
Rank 44
Airthings 2950 Smart Radon Detector - White
(6)
$54.98 New
$54.98 New
$42.99 Used
$42.99 Used
45
Rank 45
First Alert Electric Smoke and Carbon Monoxide Detector (PRC710B)
(15)
$28.99 New
$28.99 New
$19.99 Used
$19.99 Used
46
Rank 46
Airthings Wave Mini Smart Indoor Quality Monitor Model 2928
(10)
$19.00 New
$19.00 New
$17.89 Used
$17.89 Used
47
Rank 47
Kidde KN-COEG-3 Explosive Gas Alarm Carbon Monoxide Alarm Detector with Battery
(107)
$35.89 New
$35.89 New
$17.99 Used
$17.99 Used
48
Rank 48
Kidde 10 Year Sealed-In Battery-Powered Ionization Smoke Alarm
(6)
$22.49 New
$22.49 New
---- Used
No used products available
49
Rank 49
First Alert Smoke Detector - White
(19)
$15.95 New
$15.95 New
$14.89 Used
$14.89 Used
50
Rank 50
First Alert BRK SC7010BV Talking Photoelectric Smoke and Carbon Monoxide Alarm - White
(49)
$74.99 New
$74.99 New
---- Used
No used products available
51
Rank 51
Kidde 20SA10 Smoke Detector Hardwire Interconnect 10 Year Battery Back Up
(1)
$39.00 New
$39.00 New
---- Used
No used products available
52
Rank 52
Kidde FireX KN-COPE-IC Smoke & Carbon Monoxide Alarm 21007624 Photoelectric
(50)
$45.00 New
$45.00 New
---- Used
No used products available
53
Rank 53
BRK Hardwire w/Battery Backup SMI100-AC Ionization Smoke Alarm Cat. 1046836 E13
$18.99 New
$18.99 New
---- Used
No used products available
54
Rank 54
Kidde 10-Year Interconnected Smoke Detector with Photoelectric Sensor 21031556
(3)
$20.00 New
$20.00 New
---- Used
No used products available
55
Rank 55
Kidde Smoke & Carbon Monoxide Detector 10 Year Battery Power LED Warning 4 pack
$119.99 New
$119.99 New
---- Used
No used products available
56
Rank 56
Kidde Detect 20SAR 4 Pack Hardwired Smoke Detector Interconnectable AA Battery
$79.00 New
$79.00 New
---- Used
No used products available
57
Rank 57
RV Co & Propane Alarm 12 V Flush Mounted LP Detector Model 7770 Brown
(3)
$94.05 New
$94.05 New
---- Used
No used products available
58
Rank 58
First Alert SC9120LBL Smoke and Carbon Monoxide Alarm
(7)
$39.95 New
$39.95 New
$24.49 Used
$24.49 Used
59
Rank 59
Kidde P3010CU Smoke and Carbon Monoxide Combination Detector - White, 2 Pack
(19)
$60.00 New
$60.00 New
---- Used
No used products available
60
Rank 60
Kidde 900007601 Nighthawk Carbon Monoxide Alarm with Digital Display - White
(183)
$22.99 New
$22.99 New
$15.50 Used
$15.50 Used
61
Rank 61
Contractor 6-PACK First Alert BRK Wired Smoke Carbon Monoxide Alarm SMIC0100-AC
$179.99 New
$179.99 New
---- Used
No used products available
62
Rank 62
Honeywell Resido 5800CMBOV Combination Smoke / CO Detector
$168.99 New
$168.99 New
---- Used
No used products available
63
Rank 63
Kidde 21029886 Firex Smoke Detector Hardwired with Battery Backup Front Load D
(20)
$29.00 New
$29.00 New
---- Used
No used products available
64
Rank 64
First Alert 1039868 Battery-Powered Smoke & Carbon Monoxide Alarm - White
(84)
$24.95 New
$24.95 New
---- Used
No used products available
65
Rank 65
Kidde Firex Battery Operated Smoke and Carbon Monoxide Detector - White
(39)
$35.00 New
$35.00 New
---- Used
No used products available
66
Rank 66
X-Sense SC07 Combination Smoke And Carbon Monoxide Alarm
(5)
$25.99 New
$25.99 New
---- Used
No used products available
67
Rank 67
Kidde KN-COP-DP-10YL-AQ-WF Carbon Monoxide Alarm w/ Indoor Air Quality Monitor
(3)
$30.99 New
$30.99 New
$24.99 Used
$24.99 Used
68
Rank 68
Kidde 900-CUAR Smoke & Carbon Monoxide Detector Alarm - 21032250
(7)
$29.99 New
$29.99 New
$28.95 Used
$28.95 Used
69
Rank 69
Universal Security Instruments 5304 Smoke Alarm
(23)
$49.99 New
$49.99 New
---- Used
No used products available
70
Rank 70
Kidde i9010 Smoke Alarm
(9)
$18.99 New
$18.99 New
---- Used
No used products available
71
Rank 71
Kidde KN-COSM-BA Battery Operated Combination Smoke and Carbon Monoxide Alarm - White
(30)
$34.99 New
$34.99 New
---- Used
No used products available
72
Rank 72
BRK SC9120B 120V AC/DC Carbon Monoxide Smoke Alarm, White - 6 Pack
(11)
$215.00 New
$215.00 New
---- Used
No used products available
73
Rank 73
Kidde 21031466 10-Year Battery Smoke Detector with LED Alarm 20SD10
$22.00 New
$22.00 New
---- Used
No used products available
74
Rank 74
Kidde 20SAR Hardwired Interconnected Smoke Detector with Photoelectric Sensor
$24.99 New
$24.99 New
---- Used
No used products available
75
Rank 75
First Alert Smoke & Fire Detector Alarm SA67D 9v
(12)
$17.95 New
$17.95 New
---- Used
No used products available
76
Rank 76
First Alert P1010 10-Year Battery Atom Photoelectric Micro Smoke Alarm - White (1039765)
(5)
$44.99 New
$44.99 New
$19.99 Used
$19.99 Used
77
Rank 77
BRK Hardwire w/Battery Backup SMI100-AC Ionization Smoke Alarm
(1)
$17.95 New
$17.95 New
---- Used
No used products available
78
Rank 78
First Alert CO605 Carbon Monoxide Plug-In Alarm with Battery
(32)
$19.99 New
$19.99 New
$14.99 Used
$14.99 Used
79
Rank 79
6 Pack kidde smoke detector hardwired
$25.00 New
$25.00 New
---- Used
No used products available
80
Rank 80
First Alert 3120B Hardwired Smoke Alarm
(2)
$34.99 New
$34.99 New
---- Used
No used products available
81
Rank 81
First Alert 1046731 10-YEAR BATTERY SMOKE ALARM SM210
$26.10 New
$26.10 New
---- Used
No used products available
82
Rank 82
Kidde Smoke Detector 9v Battery Backup Ionization Photoelectric Dual Sensors
(7)
$39.99 New
$39.99 New
---- Used
No used products available
83
Rank 83
System Sensor 2WTA-B I3 Series Smoke Detector
(6)
$60.00 New
$60.00 New
$19.00 Used
$19.00 Used
84
Rank 84
BRK SCO500B
(15)
$34.90 New
$34.90 New
$24.50 Used
$24.50 Used
85
Rank 85
Kidde Worry I12010SCO Combination Smoke and Carbon Monoxide Alarm
(1)
$163.99 New
$163.99 New
$32.50 Used
$32.50 Used
86
Rank 86
Pro-lab Radon Gas Do It Yoursef Test Kit RA100
(19)
$10.95 New
$10.95 New
---- Used
No used products available
87
Rank 87
Kidde Combo Smoke and Carbon Monoxide Alarm P3010k
(8)
$27.44 New
$27.44 New
---- Used
No used products available
88
Rank 88
Kidde Wireless Smoke Alarm - RF-SM-DC
(20)
$49.99 New
$49.99 New
$39.99 Used
$39.99 Used
89
Rank 89
Apollo 51000-307 Wireless Carbon Monoxide Detector
(6)
$39.99 New
$39.99 New
---- Used
No used products available
90
Rank 90
Kidde Hardwired Smoke Detectors w Voice Alarms P4010ACS White
$43.95 New
$43.95 New
$19.00 Used
$19.00 Used
91
Rank 91
Kidde i9070 Bedroom Smoke Detector Alarm Front Battery Door Front Load Battery
(8)
$21.99 New
$21.99 New
---- Used
No used products available
92
Rank 92
Universal Security Instruments MIC3510SB Smoke, Fire, Carbon Monoxide Alarm
(10)
$39.99 New
$39.99 New
$30.70 Used
$30.70 Used
93
Rank 93
x Honeywell Resideo 5800COV Carbon Monoxide CO Detector
$80.00 New
$80.00 New
---- Used
No used products available
94
Rank 94
First Alert RD1 Radon Gas Test Kit for Home
(57)
$19.99 New
$19.99 New
---- Used
No used products available
95
Rank 95
First Alert 1039746 Dual-Power Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display
(8)
$27.75 New
$27.75 New
$14.99 Used
$14.99 Used
96
Rank 96
2GIG CO8 Wireless Carbon Monoxide Detector - White
(2)
$94.99 New
$94.99 New
---- Used
No used products available
97
Rank 97
Kidde Model 900-CUDR Smoke & Carbon Monoxide Alarm 21032242 (eb)
(3)
$25.25 New
$25.25 New
$25.00 Used
$25.00 Used
98
Rank 98
Kidde Code One Combo Alarm Smoke Wired 900-CUAR - White (21032251)
(5)
$74.51 New
$74.51 New
---- Used
No used products available
99
Rank 99
First Alert 1039807 Smoke and Carbon Monoxide Alarm - White
(16)
$21.99 New
$21.99 New
---- Used
No used products available
100
Rank 100
Code One Battery Operated Smoke Detector with Ionization Sensor (929281) - 6 Pack
(175)
$99.99 New
$99.99 New
---- Used
No used products available
