Better deal than the one earlier this month, which was $13.99 for one. Meets UL 217 (9th edition) specs. You no longer need to worry about the old "ionization vs. photoelectric" debate. Detectors meeting this spec catch both fast-flaming and smoldering fires reliably. They also catch synthetic materials fires faster while reducing annoying false alarms when you're just cooking.
Canadian Tire: Garrison Photoelectric 9V Smoke Alarm, 2-pk - $19.99
September 20th 2026
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