In my standardized particle test, it achieved only an 86% improvement in air quality after one hourcompared to 96%+ for high-CADR units
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Mervyn Witherspoon, a British chemist who once worked for the biggest independent maker of acetate filters, said the industrys focus on finding a biodegradable filter came and went, because there was never a pressure to do it. We would work on it and find some solutions but the industry would find something more interesting to work on and it would go on the backburner again, Witherspoon said
durable with proper care, though less robust than metal alternatives
