- Sizes 3", 4", 5", 6", 7", 8", 9", 10", 12", 14", 16", 18" and 20" diameters.
- Length 25' standard
- Packaged 5 pieces per carton (125')
- UL Listed: Standard 181
- Class 1 Air Connector Material
- Economy Grade
- Constructed around Anco's "ULTRA-10" core
- Made with a Black tinted adhesive to give it a darker shade.
- UL Rated Operating Temperature: -20°F up to 180°F, -29°C up to 82°C.
Flex DuctSystem 3100-B
System 3100-B "Ultra 10" Core with 2 Ply Polyester/Polyester
Download the current Product Specification Sheet (PDF)
ANCO-Flex 3100-B is a very versatile air connector product capable of performing in a multitude of low to medium pressure residential or commercial HVAC applications. 3100-B is well suited for main trunk lines, supply and return lines, connecting lines, as well as runs to diffusers and room registers, and other terminal devices in spaces where insulation is not required. It also is perfect for a multitude of venting and exhaust applications. Do not use for the venting of cooking and clothes drying appliances unless approved and recommended by the appliance manufacturer. 3100-B is the product of choice for applications calling for Class 1 Air Connectors especially where insulation is not necessary.
Special packaging is available upon request from one piece per box up to bulk packaged bundles in larger boxes suitable for big jobs.
