all natural cigarette tobacco Natures Pure Northfield Organic Rolling Tobacco –

It is important to recognize that the Board of Health prohibition on the sale of flavored tobacco and nicotine delivery products does not apply to Retail Tobacco Stores which are defined in the regulation as stores whose primary purpose is to sell tobacco products and tobacco paraphernalia, where the sale of other products is merely incidental, and in which the entry of persons under the age of 21 is prohibited at all times

Lucky Strike famously refused to put a filter on their main product (they still dont to this day), so a lucky cigarette became a cigarette with no filter

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By using charcoal filters, the cigarettes can somehow absorb some VOCs like isoprene, acrylonitrile, and benzene, making them slightly less harmful than regular filtered cigarettes