• ETL Listed to UL1978, UL2221, CAN/ULC-S115, CAN/ULC-S662, and ASTM E814 Standards
• Diameters range from 5" to 36"
• Duct and accessories are made from stainless steel
• Multiple accessories including 45 degree elbow, 90 and tees
• Access doors available for clean out
• Transition plates available for duct termination at the curb
• System can be used as a stand-alone duct system or used as part of a fully integrated package designed and pre-engineered for optimum performance
• Factory-built duct saves on installation costs
• Round duct ensures reduced static pressure, improved acoustics, easier cleaning, faster installation, less insulation when fire-wrapping, and reduced heat gain to the space