Build Quality and Durability Prioritize machines constructed with high-grade materials like stainless steel components, durable ABS plastic, or aluminum frames, as seen in models like the Powermatic 4+
They contain over 4,000 chemicals over 50 of which are known to be toxic in nature: the carbon monoxide also found in car exhaust fumes, butane found in lighter fluid, and arsenic, ammonia, and methanol found in rocket fuel, for example
One exception is for very heavy smokers of 30 or so per day who may be better off going right to 24 mg/ml and getting a bottle of 18 mg/ml in case you run into issues
Walton Goggins is in a revealing mood
Products We Recommend For Eliminating Cigarette Odor Properly removing smoke odor means using products designed to neutralize contamination, not just disguise it