Manufacturers of Dryer Vents Turn to Non-Plastic Materials in Line with Growing Criticality to Comply with Building Code of Conduct: Fact.MR Rockville, MD, July 16, 2019 (GLOBE NEWSWIRE) -- According to a new study by Fact.MR, global sales of dryer vents are estimated to reach 45 million units in 2019, up from 43.7 million units in 2018....