The new Quietflex® HPDFlex™ is a formaldehyde-free flexible duct designed to meet the broad static pressure demands of commercial applications. According to the company, all Quietflex flexible duct products, including the HPDFlex, feature Johns Manville Formaldehyde-free™ insulation and are GREENGUARD Certified - an industry-independent verification for products that can improve indoor air quality.

QuietFlex Manufacturing Co. L.P., 4518 Brittmoore Rd., Houston, TX 77041; 877-694-3669 or 713-849-2163; 713-849-0753 (fax);