Indoor air pollution is probably receiving more attention than ever. Here Mike Clark, division president of High Efficiency and Specialty Filtration at Hollingsworth & Vose, discusses some of the key issues surrounding air pollution and filtration today.

中文翻译：

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当今室内空气污染的趋势

室内空气污染可能比以往任何时候都受到更多关注。Hollingsworth＆Vose高效和特种过滤部门总裁Mike Clark在此讨论了当今围绕空气污染和过滤的一些关键问题。