Master Flow 6 in. Flexible Duct and Sheet Metal Connector Splice Collar FC6 - The Home Depot

Master Flow 6 in. Ductboard Collar with Damper DSCF152D6 - The Home Depot

Master Flow 9 in. Flexible Duct and Sheet Metal Connector Splice Collar FC9 - The Home Depot

Master Flow 6 in. Flexible Duct and Sheet Metal Connector Splice Collar FC6 - The Home Depot

Master Flow 9 in. Flexible Duct and Sheet Metal Connector Splice Collar FC9 - The Home Depot

Master Flow 6 in. Starting Collar Take Off - Snap Together SCF6 - The Home Depot

Master Flow 4 in. Flexible Duct and Sheet Metal Connector Splice Collar FC4 - The Home Depot

Master Flow 6 in. Starting Collar Take Off - Snap Together SCF6 - The Home Depot

Everbilt #8 x 1/2 in. Slotted External Hex Flange Hex-Head Self-Piercing Sheet Metal Screw 1 lb.-Box (320-Piece) 117276 - The Home Depot

Master Flow 6 in. Flexible Duct and Sheet Metal Connector Splice Collar FC6 - The Home Depot