F&L Indutries 20 inch Duct Board Collar in 28 Gauge Galvanized Steel, Tab Collar for R4, R6 and R8 Ductboard Insulation Compatible With All Ductboard Thicknesses - Made in the USA.

The F and L Starting Collars are engineered to snap-together for easy assembly and installation. These starting collars could be installed to transition from a flat surface such as sheet metal or insulted duct board plenum to round pipe or insulated flexible ducts. Our take off collars are made of 30-gauge galvanized steel, these starting collars are made for durability. The 2 in. space between the bead and flange tabs provides you with plenty of space for securing any insulated flexible duct or round pipe. F and L collars are made here in the USA. This means we take pride into our product. We assure you will love the design and ease of these collars. All our products from our F and L Aluminum Parts facility are checked for quality and performance before being shipped out to customers. Take off collars are an essential piece of the ducting system; with the simplicity of our design, we guarantee the best product with the best price. With over 20 years in the industry, we know what our contractors like to see in our products.

• Made of 30 gauge galvanized steel
• 2 perforated holes, for damper add-on
• 2 inch between bead and flange allow space for securing insulated flexible duct
• Transition from flat surface sheet metal or duct board plenums to round pipes or insulated, flexible ducts
• Made in the USA