How do smoke detectors keep dust and insects out while simultaneously allowing smoke to diffuse through them?
In: 5
Because it’s mounted on your ceiling and gravity causes things heavier than air to settle to the ground. How often do you sweep your ceilings? Dust does eventually get in and lowers it’s effectiveness over time especially in the kitchen where grease gets aerosolized and sticks to the smoke detector’s sensor which allows any dust to stick do it.
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