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First Alert Battery Operated 3V Photoelectric/Ionization Dual-Sensor Smoke & Fire Alarm
First Alert Battery Operated 3V Photoelectric/Ionization Dual-Sensor Smoke & Fire Alarm
First Alert Battery Operated 3V Photoelectric/Ionization Dual-Sensor Smoke & Fire Alarm
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First Alert Battery Operated 3V Photoelectric/Ionization Dual-Sensor Smoke & Fire Alarm

Marsoni M251S
Sale price$29.99
Pay 4 payments of $7.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
First Alert Battery Operated 3V Photoelectric/Ionization Dual-Sensor Smoke & Fire AlarmPhotoelectric & Ionization sensor Dual sensors and nuisance resistance utilizes 2 technologies to decipher between flaming and smoldering fires Single button silences and tests Battery powered, battery included Easy to install 10 year limited warranty
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  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 1813 reviews
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Product Reviews
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Verified Purchase
GREGORY
Omaha, US
★★★★★ 5
GOOD DEAL
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 7 Fl Oz (Pack of 2)
First time using this product, and it has performed as advertised. Easy to apply and stands up very well during my runs and bike rides. Overall a good product and a definite recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
A
Verified Purchase
Amazon Customer
Houston, US
★★★★★ 5
N/A
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 7 Fl Oz (Pack of 2)
Very good Product, works well...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
M
Verified Purchase
Mildred Martinez
Carnegie, US
★★★★★ 5
Price and sp number.
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 7 Fl Oz (Pack of 2)
Excellent cream: not greasy and good concentration.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
T
Verified Purchase
Terry McVay
Houston, US
★★★★★ 4
good buy
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 7 Fl Oz (Pack of 2)
what can you say. Works as advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
A
Verified Purchase
Amazon Customer
Grantham, US
★★★★★ 5
works
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 7 Fl Oz (Pack of 2)
Worked Great - no burn
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026

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