- Retailer:
- Amazon.ca
First Alert CO400A Battery Powered Carbon Monoxide Alarm, $9.97
https://www.amazon.ca/gp/product/B0813FF8X7
Same price at Bestbuy:
https://www.bestbuy.ca/en-ca/product/fi … o-14969878
https://www.amazon.ca/gp/product/B0813FF8X7
Same price at Bestbuy:
https://www.bestbuy.ca/en-ca/product/fi … o-14969878