Montana Cans are 100% free of heavy metals and comply with the latest international labeling and safety regulations. All materials are recyclable and the company has a quality management system ISO-9001 certification, as well as ISO-14001 and ISO-50001:2011 certificates for following environmental, safety and efficient energy management systems. Montana Cans are produced by the Motip Dupli Group, who was the first company in Europe to voluntarily introduce ozone-friendly propellants. Since 1975 have they been avoiding and eliminating the use of ozone-depleting CFCs.