Various gases like acetic acid, formaldehyde, ammonia, sulfur dioxide, hydrogen sulfide, nitrogen dioxide, VOC's, etc. could be generated from industrial and commercial operations resulting in severe odor problems. The Smelleze Industrial Deodorizer Pouch removes toxic industrial odors without masking them with fragrances. Smelleze will truly cleanse the air of noxious odors and complement existing ventilation systems. For a breath of fresh air, simply place the reusable Smelleze pouches near odors or in return air ducts and smell the difference. To rejuvenate periodically, simply place in direct sunlight for a day and reuse. Smelleze is non-toxic, safe, reusable, recyclable, natural, odorless, non-flammable and non-caustic. Smelleze is an ideal eco-friendly solution for eliminating a wide variety of industrial and commercial odors without adding pollutants to the air you breathe. It does not contain VOCs, harmful or ozone depleting chemicals.