Sheet Metal Connectors HTO SO 08 High-Efficiency Duct Take-Off With 2 in Stand-Off, 8 in, 9 in L, Steel

These collars have a complete seal connection on one end. The volume damper is made out of 20 ga galvanized steel with stiffening beads and a continuous 3/8 in aluminum square shaft for strength and rigidity. Nylon end bearings are added to each end to reduce air leakage. All stand-Off collars have a 3/8 in dial regulator elevated 2 in for insulation.

Sheet Metal Connectors High-Efficiency Duct Take-Off With 2 in Stand-Off, Super HETO Series, 8 in, 9 in Length, Steel, Finish: Galvanized, 22 ga Gauge

• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Sheet_Metal_Connectors_HTO_05_Specification_Sheet.pdf