1
UNIVERSAL SECURITY INSTRUMENTS USI Electric MICN109 Hardwired 3-in-1 Smoke, Carbon Monoxide and Natural Gas Alarm
Amazon
$69.75
2
Universal Security Instruments Hardwired 10 Year Tamper Proof Permanent Power Sealed Battery 3-in-1 Universal Smoke Sensing & Carbon Monoxide Combination Alarm, Model MIC1509S,white, Corded Electric
Amazon
$47.79
3
Universal Security Instruments 10 Year Tamper Proof Permanent Power Sealed Battery 3-in-1 Smoke Fire and Carbon Monoxide Smart Alarm, Model MIC3510SB
Amazon
$45.70
4
Universal Security Instruments 10 Year Tamper Proof Permanent Power Sealed Battery 3-in-1 Smoke Fire and Carbon Monoxide Smart Alarm, Model MIC3510SB
Amazon
$58
5
UNIVERSAL SECURITY INSTRUMENTS USI Electric MICN109 Hardwired 3-in-1 Smoke, Carbon Monoxide and Natural Gas Alarm
Amazon
$74.99
6
Universal Security Instruments 4-in-1 Universal Smoke-Sensing Technology Hardwired Smart Alarm, Model MDSCN111
Amazon
$54.99
7
UNIVERSAL SECURITY INSTRUMENTS USI Electric 5304 Hardwired Ionization Smoke and Fire Alarm with Battery Backup 2-Pack
Amazon
$23.87
8
Universal Security Instruments 10 Year Tamper Proof Permanent Power Sealed Battery 3-in-1 Smoke Fire and Carbon Monoxide Smart Alarm, Model MIC3510SB
Amazon
$45.21
9
Universal Security Instruments 4-in-1 Universal Smoke-Sensing Technology Hardwired Smart Alarm, Model MDSCN111
Amazon
$54.14
10
USI Universal Security Instruments 976LR 9V Smoke and Fire Alarm with Quick Change Battery Installation
Walmart
$21.81
11
Universal Security Instruments Hardwired 10 Year Tamper Proof Permanent Power Sealed Battery 3-in-1 Universal Smoke Sensing & Carbon Monoxide Combination Alarm, Model MIC1509S,white, Corded Electric
Amazon
$36.48
12
Universal Security Instruments 4-in-1 Universal Smoke-Sensing Technology Hardwired Smart Alarm, Model MDSCN111
Amazon
$59.98
13
Universal Security Instruments 10 Year Tamper Proof Permanent Power Sealed Battery Carbon Monoxide Smart Alarm, Model MC304SB , White
Amazon
$44.99
14
Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model MI106
Amazon
$24.99
15
Universal Security Instruments Hardwired 10 Year Tamper Proof Permanent Power Sealed Battery 3-in-1 Universal Smoke Sensing & Carbon Monoxide Combination Alarm, Model MIC1509S,white, Corded Electric
Amazon
$47.79
16
Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model 5304
Amazon
$25.75
17
Universal Security Instruments 10 Year Tamper Proof Permanent Power Sealed Battery Carbon Monoxide Smart Alarm, Model MC304SB , White
Amazon
$35.99
18
Universal Security Instruments Hardwired 10 Year Tamper Proof Permanent Power Sealed Battery 3-in-1 Universal Smoke Sensing & Carbon Monoxide Combination Alarm, Model MIC1509S,white, Corded Electric
Amazon
$47.79
19
Universal Security Instruments 10 Year Tamper Proof Permanent Power Sealed Battery 3-in-1 Smoke Fire and Carbon Monoxide Smart Alarm, Model MIC3510SB
Amazon
$44.99
20
Universal Security Instruments 10 Year Tamper Proof Permanent Power Sealed Battery Carbon Monoxide Smart Alarm, Model MC304SB , White
Amazon
$14.99