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Universal Security Instruments Ionization 120-Volt AC/DC Wired-In Smoke and Fire Alarm with Battery Backup (USI-1204HA)
Hardwired | Battery Back-up
Your Price: $17.95
Save: $2.00
Availability: In Stock
Read reviews (516)
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USI 3-in-1 Hardwired Smoke, Fire & Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC1509S)
Hardwired with 10 Year Sealed Battery Backup | USST Smart Alarm
Your Price: $47.95
Save: $12.00
Availability: In Stock
Read reviews (41)
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USI Electric Hardwired Ionization Smoke and Fire Alarm with Battery Backup (5304)
Ionization | Battery Drawer | Silence
Your Price: $13.95
Save: $6.00
Availability: In Stock
Read reviews (84)
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USI 4-in-1 Hardwired Universal Smoke Sensing Smart Alarm Smoke, Fire, CO and Natural Gas Detection (MDSCN111)
4-in-1 Alarm | Battery Drawer | Silence
Your Price: $54.95
Save: $25.00
Availability: In Stock
Read reviews (25)
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USI Electric Motor Assembly Replacement Part for 50 CFM Bathroom Fans (BF-50MA)
Motor Only, 50 CFM. Use in BF-503, BF-504, BF-504L
Your Price: $10.99
Save: $3.00
Availability: In Stock
Read reviews (10)
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USI 2-in-1 Hardwired Smoke & Fire Smart Alarm with 10 Year Sealed Battery & Universal Smoke Sensing Technology (MI106S)
Hardwired with 10 Year Sealed Battery Back-up | Smart Alarm
Your Price: $21.95
Save: $7.00
Availability: In Stock
Read reviews (41)
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Universal Security Instruments Battery-Operated Universal Smoke Sensing Smoke and Fire Alarm (MDS300B)
2-in-1 | Smart Alarm
Your Price: $17.95
Save: $12.00
Availability: In Stock
Read reviews (2)
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USI Hallway 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC3510SB)
10 Year Sealed Tamper-Proof Battery | USST Smart Alarm
Your Price: $42.95
Save: $17.00
Availability: In Stock
Read reviews (19)
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Universal Security Instruments Plug-In 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCND401B)
Plug-In Alarm | Display Screen
Your Price: $42.95
Save: $7.00
Availability: In Stock
Read reviews (10)
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USI Hardwired 10 Year Tamper Proof Permanent Power Sealed Battery Photoelectric Smoke & Fire Smart Alarm (MP116S)
Photoelectric | Sealed Battery Backup
Your Price: $27.99
Save: $2.00
Availability: In Stock
Read reviews (7)
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USI Bedroom 2-in-1 Smoke and Fire Smart Alarm with 10 Year Sealed Battery & Universal Smoke Sensing Technology (MI3050SB)
Sealed Battery | 2-in-1 Smart Alarm
Your Price: $16.95
Save: $8.00
Availability: In Stock
Read reviews (22)
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USI Electric Hardwired 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCN108)
2-in-1 CO + Natural Gas | Smart Alarm
Your Price: $36.95
Save: $8.00
Availability: On Order
Read reviews (52)
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USI Electric Motor Assembly Replacement Part for 70 CFM Bathroom Fans (BF-70MA)
Motor Only, 70 CFM, BF-703, BF-704, BF-704L, BF-704LH, BF-704HB, BFR-704L
Your Price: $17.99
Save: $3.00
Availability: In Stock
Read reviews (1)
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USI Electric Hardwired 2-in-1 Universal Smoke Sensing Smoke and Fire Alarm with Battery Backup (MDS107)
2-in-1 | Smart Alarm
Your Price: $19.95
Save: $10.00
Availability: In Stock
Read reviews (19)
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USI Kitchen 2-in-1 Smoke & Fire Smart Alarm with 10 year Sealed Battery & Universal Smoke Sensing Technology (MDSK300S)
Tamper proof design
Your Price: $19.95
Save: $10.00
Availability: In Stock
Read reviews (9)
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Universal Security Instruments Every Room Carbon Monoxide Smart Alarm with 10 Year Sealed Battery (MC304SB)
10 Year Sealed Battery | Smart Alarm
Your Price: $27.95
Save: $7.00
Availability: In Stock
Read reviews (5)
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Universal Security Instruments Compact Size Battery-Operated Ionization Smoke and Fire Alarms, 6-Pack (SS-770-6CC)
Ionization | Mini
Your Price: $29.95
Save: $10.00
Availability: In Stock
Read reviews (9)
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Universal Security Instruments Plug-In 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCN400B)
2-in-1 Plug-In | Smart Alarm
Your Price: $34.95
Save: $15.00
Availability: In Stock
Read reviews (4)
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USI Electric Square Grille Assembly Replacement Part for Bath Fans (BFSGR)
Grille Covers for 50 CFM & 70 CFM models
Your Price: $3.99
Save: $2.00
Availability: In Stock
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Universal Security Instruments Battery-Operated Photoelectric Smoke and Fire Alarm (SS-901-LR-6P)
Photoelectric | Larger Mounting Bracket
Your Price: $11.95
Save: $5.00
Availability: In Stock
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USI Hardwired 2-in-1 Photoelectric Smoke & Carbon Monoxide Alarm with 10 Year Tamper Proof Sealed Battery Backup (MPC122S)
Photoelectric | Hardwired
Your Price: $52.95
Save: $4.04
Availability: In Stock
Read reviews (2)
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USI Living Area 10 Year Tamper Proof Permanent Power Sealed Battery Photoelectric Smoke & Fire Smart Alarm (MP316SB)
10 Year Sealed Tamper-Proof Battery | Photoelectric Smart Alarm
Your Price: $20.99
Save: $3.00
Availability: In Stock
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USI Automatic Emergency Lighting System with Variable Brightness Night Light (HE-430N)
Automatic Emergency Lighting System
Your Price: $33.99
Save: $5.00
Availability: In Stock
Read reviews (4)
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USI Electric Battery-Operated Ionization Smoke and Fire Alarm (USI-1227L)
Ionization | Larger Mounting Bracket
Your Price: $6.95
Save: $3.00
Availability: In Stock
Read reviews (3)
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