Crayflex® Non-Insulated UL Semi Rigid Aluminum Flexible Duct is manufactured from Aluminum with interlocking seam which is extremely strong yet permits both bending and compression forces without leakage. These self-supporting Semi Rigid Duct designed to be bent into position and yet remain in place to meet heavy- duty applications. Fire Resistant to BS 476 and UL181.

Description

• Standard length: 8ft
• Standard Diameter: 3” to 12”
• Construction: The air duct is made entirely of aluminum that is twisted to form a continuous airtight lock-seam.
• Flame Spread: Less than 25
• Smoke Spread: Less than 50
• Code Compliance: UL181 Class 0 Air Duct.

Non-Insulated UL Semi Rigid Aluminum Flexible Duct Product Sheet