Kidde
Kidde Carbon Monoxide Detector
$11.00across 89 retailers
Model: 21006406Color: WhiteUPC: 47871001200
Lowest at Amazon
$39.99 at AmazonLowest at any Popular Retailer
$29.97 at The Home DepotWhere to Buy
Prices last updated: August 24th 2026 2:15 pm
What Reviewers Are Saying
Praised
easy replacement10%
end of life notifications10%
Criticized
false positive10%
hard to access battery10%
faulty detector10%
Discussion
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