USI Electric Home Smoke & Gas Detectors
SPONSOREDSPONSOREDSPONSOREDSPONSORED
87 Results
Universal 10 Year Tamper Proof 3 in 1 Smoke, Fire & Carbon Monoxide MIC3510SB
$39.99or Best OfferFree shippingBox of 6 Universal Security MIC3510SB Smoke, Fire, Carbon Monoxide Alarm
$216.74Was: $254.99or Best OfferFree shippingUSI Electric 5304 Hardwired Ionization Smoke and Fire Alarm with Battery Backup
$21.99Estimated delivery dateEst. delivery Fri, May 24USI Electric MI106S Hardwired 2-in 1 Smoke and Fire Alarm
$24.99Estimated delivery dateEst. delivery Fri, May 24USI MDSCN111 4-in-1 Universal Smoke Sensing Technology Hardwire Smart Alarm
$54.90Estimated delivery dateEst. delivery Fri, May 24Universal Security Plug-In Carbon Monoxide Natural Gas Alarm MCND401 Smoke Alarm
$34.77Was: $38.63or Best OfferFree shippingUSI Universal Smoke Sensing Technology, 2-in-1 Smoke and Fire Alarm
$19.99Free shippingUSI 10 Year Tamperproof 3-in-1 Smoke & Fire & Carbon Monoxide Alarm
$38.99or Best OfferFree shippingOnly 1 left!Universal Security Instruments MIC1509S 3-in-1 Carbon Monoxide Detector
$44.99Trending at $49.95eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingUniversal Security Instruments MIC3510SB Smoke, Fire, Carbon Monoxide Alarm
(11)11 product ratings - Universal Security Instruments MIC3510SB Smoke, Fire, Carbon Monoxide Alarm$46.44Estimated delivery dateEst. delivery Thu, May 23Trending at $49.99eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.USI Electric MCD305S 286-1095-05 Every Room Digital Carbon Monoxide Smart Alarm
$10.59or Best Offer$7.99 shippingUniversal 10 Year Tamper Proof 3 in 1 Smoke, Fire & Carbon Monoxide MIC3510SB
$45.00or Best Offer$5.93 shippingUniversal Security Instruments MC304SB
$19.99or Best OfferFree shipping2 USI Electric MDSCN111 Universal Smoke Detector
$130.00or Best Offer$14.50 shippingNEW Universal Security MDS300l 2-in-1 Smoke and Fire Smart Alarm
$28.99or Best OfferFree shippingUSI ELECTRIC HARDWIRED 120V SMOKE/FIRE ALARM W/BATTERY BACKUP, MODEL 5304, NIB!
$6.990 bids$6.09 shippingEnding May 29 at 11:45AM PDT8d 4hUniversal 10 Year Tamper Proof 3 in 1 Smoke Fire & Carbon Monoxide MIC3510SB
$42.99Trending at $49.99eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.$7.99 shippingUniversal Security Instruments INC 10 Year Sealed Alarm
$22.98Free shippingUniversal Security Instruments Inc. Plug In Carbon Monoxide & Natural Gas Alarm
$24.99or Best Offer$5.93 shippingUSI Hardwired 10 Year Tamper Proof Permanent Power Sealed Battery Photoelectric
$5.990 bids$10.00 shippingEnding Thursday at 8:18PM PDT2d 13hCarbon Monoxide Alarm, Universal Model Cd-9000
$12.00or Best Offer$6.09 shippingUSI Electric USI-2413 Smoke Alarm and Strobe Light Kit for Hearing Impaired
$80.00Free shippingUSI Electric MP117, Photoelectric Smoke & Fire Alarm
$17.50$10.75 shippingUSI 3-in-1 Smoke & Fire + Carbon Monoxide Detector Alarm Hardwired MIC1509S NEW
$43.95$6.15 shippingUSI Household 2-in-1 Smoke and Fire Alarm 10 Year Tamper-Proof New
$19.97Was: $24.96or Best Offer$5.95 shipping