Item 1 of 2
Item 1 of 2
popularneomatrixviper posted Aug 7, 2026 4:18 PM
Costco Wholesale
Deal Details
https://www.costco.com/p/-/first-...?langId=-1
$20 OFF
$20 manufacturer's savings is valid 8/1/26 through 8/31/26. While supplies last.
Limit 10 per member.
Precision Detection Advanced Detection Technology
Provides Reliable 2-in-1 Protection Against Both Smoke and Carbon Monoxide in an Easy to Install Alarm
10-Year Sealed Battery Eliminates Battery Replacements and Low Battery Chirps for the Life of the Alarm
End-of-Life Warning Lets You Know When it's Time to Replace the Alarm
10-Year Warranty
$20 OFF
$20 manufacturer's savings is valid 8/1/26 through 8/31/26. While supplies last.
Limit 10 per member.
Precision Detection Advanced Detection Technology
Provides Reliable 2-in-1 Protection Against Both Smoke and Carbon Monoxide in an Easy to Install Alarm
10-Year Sealed Battery Eliminates Battery Replacements and Low Battery Chirps for the Life of the Alarm
End-of-Life Warning Lets You Know When it's Time to Replace the Alarm
10-Year Warranty
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
https://www.costco.com/p/-/first-...?langId=-1
$20 OFF
$20 manufacturer's savings is valid 8/1/26 through 8/31/26. While supplies last.
Limit 10 per member.
Precision Detection Advanced Detection Technology
Provides Reliable 2-in-1 Protection Against Both Smoke and Carbon Monoxide in an Easy to Install Alarm
10-Year Sealed Battery Eliminates Battery Replacements and Low Battery Chirps for the Life of the Alarm
End-of-Life Warning Lets You Know When it's Time to Replace the Alarm
10-Year Warranty
$20 OFF
$20 manufacturer's savings is valid 8/1/26 through 8/31/26. While supplies last.
Limit 10 per member.
Precision Detection Advanced Detection Technology
Provides Reliable 2-in-1 Protection Against Both Smoke and Carbon Monoxide in an Easy to Install Alarm
10-Year Sealed Battery Eliminates Battery Replacements and Low Battery Chirps for the Life of the Alarm
End-of-Life Warning Lets You Know When it's Time to Replace the Alarm
10-Year Warranty
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