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
Community Voting
Deal
Score
+9
Good Deal
Bad Deal
Join The Conversation
Share your experience with the Slickdeals community
Share information with the community. Please follow our Community Guidelines and be kind!
8 Comments
Sign up for a Slickdeals account to remove this ad.
Our community has rated this post as helpful. If you agree, why not thank MONM5993
Our community has rated this post as helpful. If you agree, why not thank whawk7vu
Not sure how long these last, I've had a few for 2 years that replaced expired Nest alarms.
Sign up for a Slickdeals account to remove this ad.
Join The Conversation
Share your experience with the Slickdeals community
Share information with the community. Please follow our Community Guidelines and be kind!