It’s all about the Genetics. My old hero never smelled like anything other than plant matter, I never needed a filter. It was grow in an apartment without anyone ever saying anything. Then one day I brought home a tiny clone of blueberryx(white Russian x haze) and although that clone was miniscule it smelled so skunky you could smell that one little clone two blocks downwind…and my neighbors had a literal shit fit within a week of its acquisition 
I prefer the less odorous strains personally. Stealth is not a bad thing.
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