can cigarette smoke travel through air vents

can cigarette smoke travel through air vents Roommate smokes weed and the smell lingers into the return vent and into my room. Any suggestions on what I do? I know that the return don't usually have filters How Long Does It Take

Name: can cigarette smoke travel through air vents Roommate smokes weed and the smell lingers into the return vent and into my room. Any suggestions on what I do? I know that the return don't usually have filters How Long Does It Take
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SKU: 61810380615
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SKU: 61810380615

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Any liquids larger than 100ml must be taken in your checked bags, but we still suggest putting them in a zip top bag due to leaking that can occur from the pressure changes when flying