HtabOverviewModels TF - Flexible Duct • Aluminum • 10' Length SOCD - Spin-on Collar Product Information Spiral Duct and Spin On Collars are manufactured by Peppertree Air. We stock the sprial duct in 10' lengths with 6", 8", 10, or 12" diameter. Spin-on's are available with the same diameters. Submittals Model SOCD - Spin-on Collars with Dampers Model TF • Flexible Duct • 10' Lengths
