First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 3-Pack | Price history
Price change log
10/31/2023: $39.37
10/30/2023: $39.14
10/29/2023: $40.36
10/27/2023: $41
10/26/2023: $38.8
10/25/2023: $39.31
10/24/2023: $39.08
10/22/2023: $39.14
10/20/2023: $38.96
10/19/2023: $38.64
09/15/2023: $39.34
09/12/2023: $44.39
09/07/2023: $44.59
09/06/2023: $38.24
08/23/2023: $34.15
08/22/2023: $40.06
08/21/2023: $40.18
08/20/2023: $40.06
08/02/2023: $44.59
07/27/2023: $43.16
07/05/2023: $44.59
07/02/2023: $43.96
06/28/2023: $36.21
06/16/2023: $44.59
06/08/2023: $48.12
05/28/2023: $41.58
05/26/2023: $44.85
05/15/2023: $41.58
05/14/2023: $40.1
05/13/2023: $40.21
05/12/2023: $39.65
04/26/2023: $49.84
04/12/2023: $44.86
04/10/2023: $49.84
03/24/2023: $37.07
03/15/2023: $41.98
03/14/2023: $40.17
03/09/2023: $41.98
03/08/2023: $40.03
02/25/2023: $41.98
02/24/2023: $42.56
02/23/2023: $50.61
02/22/2023: $50.49
02/20/2023: $49.87
02/19/2023: $41.98
02/18/2023: $49.68
02/17/2023: $49.23
02/16/2023: $41.51
02/15/2023: $40.85
02/14/2023: $40.07
02/02/2023: $41.98
01/18/2023: $36.5
09/17/2022: $41.98
09/07/2022: $35.6
08/21/2022: $41.98
07/23/2022: $35.6
07/21/2022: $37.33
07/20/2022: $38.03
06/01/2022: $47.07
05/28/2022: $44
05/27/2022: $37.27
05/25/2022: $37.69
05/24/2022: $37.42
05/23/2022: $37.76
05/21/2022: $37.66
05/20/2022: $38.21
05/16/2022: $44
05/14/2022: $45.38
05/13/2022: $45.46
05/12/2022: $46.31
05/10/2022: $45.38
05/09/2022: $45.46
05/07/2022: $37.76
05/06/2022: $37.6
05/05/2022: $46.31
05/01/2022: $45.73
04/30/2022: $37.18
04/29/2022: $45.15
04/28/2022: $37.14
04/26/2022: $37.69
04/25/2022: $37.75
04/24/2022: $37.98
04/23/2022: $38.08
04/21/2022: $37.91
04/20/2022: $38.24
04/18/2022: $38.27
04/17/2022: $38.3
04/16/2022: $37.93
04/14/2022: $37.29
04/13/2022: $36.98
04/12/2022: $36.95
04/10/2022: $36.89
04/09/2022: $36.92
04/05/2022: $37.28
04/04/2022: $37.35
04/03/2022: $37.45
04/02/2022: $37.62
03/30/2022: $37.87
03/29/2022: $37.9
03/28/2022: $37.96
03/27/2022: $38.1
03/26/2022: $38.35
03/25/2022: $39.47
03/24/2022: $39.89
03/23/2022: $38.67
03/18/2022: $38.23
03/12/2022: $38.18
03/11/2022: $39.03
03/09/2022: $36.97
03/08/2022: $39.25
03/06/2022: $37.34
03/04/2022: $36.97
03/03/2022: $37.68
03/01/2022: $38.44
02/28/2022: $38.9
02/27/2022: $37.7
02/26/2022: $36.77
02/24/2022: $37.15
02/23/2022: $39.36
02/22/2022: $40.69
02/21/2022: $40.64
02/20/2022: $40.47
02/19/2022: $39.09
02/15/2022: $40.29
02/13/2022: $42.2
02/12/2022: $38.82
02/11/2022: $39.03
02/10/2022: $39.67
02/08/2022: $40.52
02/07/2022: $40.5
02/05/2022: $39.53
02/04/2022: $38.36
02/03/2022: $39.88
02/02/2022: $41.8
02/01/2022: $43.62
01/31/2022: $43.53
01/29/2022: $39.25
01/28/2022: $41.27
01/27/2022: $39.17
01/26/2022: $34
01/12/2022: $34.61
01/11/2022: $36.26
01/10/2022: $38.5
01/08/2022: $38.37
01/07/2022: $35.98
01/06/2022: $37.75
01/05/2022: $39.59
01/03/2022: $39.4
01/02/2022: $38.84
01/01/2022: $37.66
12/30/2021: $37.48
12/29/2021: $38.46
12/27/2021: $37.84
12/26/2021: $37.65
12/25/2021: $39.72
12/24/2021: $40.45
12/23/2021: $40.01
12/22/2021: $37.47
12/20/2021: $36.19
12/19/2021: $36.48
12/13/2021: $36.19
12/12/2021: $36.24
12/11/2021: $36.84
12/07/2021: $32.45
11/26/2021: $32.66
11/25/2021: $38.43
11/24/2021: $38.97
11/23/2021: $40.07
11/22/2021: $40.38
11/21/2021: $42.51
11/20/2021: $39.82
11/17/2021: $39.91
11/15/2021: $38.29
11/13/2021: $39.07
11/12/2021: $38.67
11/11/2021: $39.13
11/10/2021: $38.43
11/09/2021: $38.5
11/08/2021: $38.92
11/07/2021: $39.13
11/05/2021: $38.83
11/04/2021: $38.18
11/03/2021: $40.6
11/02/2021: $40.55
10/31/2021: $39.24
10/30/2021: $39.45
10/29/2021: $44.34
10/28/2021: $40.18
10/27/2021: $39.53
10/26/2021: $40.68
10/24/2021: $37.6
10/23/2021: $38.13
10/22/2021: $39.31
10/21/2021: $39.49
10/20/2021: $37.24
10/19/2021: $40.6
10/18/2021: $39.08
10/17/2021: $45.08
10/16/2021: $45.56
10/15/2021: $39.89
10/14/2021: $36.99
10/10/2021: $34.9
10/09/2021: $35.78
10/08/2021: $35.84
10/07/2021: $35.6
10/05/2021: $38.22
10/04/2021: $37.32
10/03/2021: $35.81
10/02/2021: $38.22
09/29/2021: $34.9
09/28/2021: $35.12
09/27/2021: $36.15
09/25/2021: $38.35
09/24/2021: $35.8
09/21/2021: $29.99
09/13/2021: $31.1
09/09/2021: $34.56
09/04/2021: $38.32
08/23/2021: $38.26
08/19/2021: $38.23
08/18/2021: $38.04
08/13/2021: $38.25
08/11/2021: $38.37
08/09/2021: $34.67
08/07/2021: $38.15
08/04/2021: $34.64
08/03/2021: $38.08
08/02/2021: $37.63
07/31/2021: $35.18
07/26/2021: $31.78
07/16/2021: $33.5
07/12/2021: $39.89
07/10/2021: $40.9
07/07/2021: $39.9
07/06/2021: $41.17
07/05/2021: $40.54
07/04/2021: $39.9
07/02/2021: $40.68
06/30/2021: $34.88
06/29/2021: $39.9
06/25/2021: $40.11
06/23/2021: $42.54
06/22/2021: $42.11
06/21/2021: $33.66
06/20/2021: $33.78
06/18/2021: $33.49
06/16/2021: $33.58
06/14/2021: $33.45
05/31/2021: $28.6
05/26/2021: $33.38
05/23/2021: $34.96
05/22/2021: $34.67
05/21/2021: $34.97
05/18/2021: $34.67
05/08/2021: $34.73
05/07/2021: $40.68
05/05/2021: $33.92
05/04/2021: $35.71
05/03/2021: $33.93
05/02/2021: $33.59
04/18/2021: $30
04/17/2021: $33.84
04/16/2021: $33.87
04/14/2021: $33.67
04/13/2021: $34.11
04/11/2021: $33.85
04/10/2021: $34.59
04/09/2021: $33.91
04/07/2021: $34.21
04/06/2021: $42.06
04/05/2021: $41.58
04/04/2021: $34.06
04/03/2021: $34.41
04/02/2021: $34.5
03/31/2021: $34.15
03/29/2021: $34.44
03/28/2021: $33.96
03/26/2021: $34.11
03/24/2021: $33.42
03/23/2021: $34.52
03/21/2021: $34.06
03/20/2021: $32.89
03/06/2021: $32.23
03/05/2021: $40.93
03/04/2021: $40.73
03/03/2021: $41.04
02/26/2021: $41.11
02/25/2021: $42.88
02/24/2021: $35.78
02/22/2021: $35.81
02/21/2021: $44.23
02/20/2021: $44
02/17/2021: $44.23
02/15/2021: $44.29
02/12/2021: $44.46
02/11/2021: $43.41
02/10/2021: $44.52
02/08/2021: $43.42
02/06/2021: $44.04
02/04/2021: $37.16
01/30/2021: $37.21
01/28/2021: $38.32
01/26/2021: $39.88
12/14/2020: $35.88
12/12/2020: $31.08
12/11/2020: $35.88
12/09/2020: $31.08
12/07/2020: $35.88
11/23/2020: $31.08
11/10/2020: $31.1
10/20/2020: $34.55
10/16/2020: $40.65
10/13/2020: $40.21
10/09/2020: $41.57
09/30/2020: $40.48
09/29/2020: $40.64
09/21/2020: $40.48
09/15/2020: $40.52
09/14/2020: $41.9
09/09/2020: $45.9
09/04/2020: $44.87
09/02/2020: $42.98
08/31/2020: $39.55
08/30/2020: $42.98
08/29/2020: $39.55
08/25/2020: $41.98
08/21/2020: $39.55
08/20/2020: $38.93
08/19/2020: $39.25
08/18/2020: $38.96
08/17/2020: $34.04
08/11/2020: $35.22
08/09/2020: $35.36
08/06/2020: $37.38
08/05/2020: $37.34
08/04/2020: $35.36
07/28/2020: $38.54
07/27/2020: $38.27
07/24/2020: $37.53
07/21/2020: $38.74
07/19/2020: $38.72
07/16/2020: $39.56
07/15/2020: $39.95
05/24/2020: $38.94
05/19/2020: $36.28
05/17/2020: $36.53
05/12/2020: $34.98
05/10/2020: $36.53
05/06/2020: $34.99
04/29/2020: $34.2
04/27/2020: $34.9
04/19/2020: $34.99
04/18/2020: $38.6
04/15/2020: $39.99
04/12/2020: $42.76
04/10/2020: $41.37
04/09/2020: $42.76
04/08/2020: $33.62
04/07/2020: $33.42
04/05/2020: $33.47
04/04/2020: $33.7
04/02/2020: $33.67
03/24/2020: $36.42
03/22/2020: $39.65
03/21/2020: $39.83
03/20/2020: $38.93
03/19/2020: $39.83
03/10/2020: $36.58
02/18/2020: $38.65
02/17/2020: $38.62
02/15/2020: $38.49
02/13/2020: $38.65
02/12/2020: $32.81
02/11/2020: $32.24
02/09/2020: $32.71
01/30/2020: $36.58
01/08/2020: $37.85
12/25/2019: $36.58
11/25/2019: $37.85
11/06/2019: $32.17
10/21/2019: $37.85
10/01/2019: $36.94
09/01/2019: $31.55
08/30/2019: $34.29
08/22/2019: $34.42
08/13/2019: $35.46
08/02/2019: $37.85
07/31/2019: $35.46
07/29/2019: $34.45
07/25/2019: $34.42
07/24/2019: $33.39
07/20/2019: $34.42
07/12/2019: $34.45
07/09/2019: $34.43
07/02/2019: $34.45
06/28/2019: $37.85
06/25/2019: $38.17
06/22/2019: $37.9
06/16/2019: $38.16
06/02/2019: $38.27
05/27/2019: $38.45
05/24/2019: $38.43
05/15/2019: $38.36
05/14/2019: $38.09
05/10/2019: $38.43
05/05/2019: $38.98
04/06/2019: $29.76
04/02/2019: $39.09
03/29/2019: $39.06
03/17/2019: $41.61
03/15/2019: $37.2
03/07/2019: $41.61
03/05/2019: $37.98
02/04/2019: $33.05
01/17/2019: $42.09
12/26/2018: $41.31
12/11/2018: $42.09
11/26/2018: $36.72
10/23/2018: $42.09
10/01/2018: $36.72
09/28/2018: $38.99
08/01/2018: $45.91
07/30/2018: $42.29
07/29/2018: $42
07/26/2018: $41.93
07/25/2018: $42.18
07/23/2018: $42.23
07/22/2018: $41.86
07/20/2018: $41.98
07/19/2018: $42.19
07/17/2018: $42.32
07/16/2018: $40.79
07/07/2018: $42.88
07/06/2018: $48.69
07/04/2018: $47.01
06/29/2018: $47.91
06/19/2018: $48.22
05/11/2018: $51.36
03/04/2018: $32.99