Everbilt 4 in. x 2 ft. Aluminum Pipe P4E20HD - The Home Depot

Everbilt 4 in x 4 in Solid Aluminum Duct Connector FDC4XHD8 - The Home Depot

Everbilt 4 in. x 8 ft. Flexible Aluminum Dryer Vent Duct BTD48HD - The Home Depot

Everbilt 4 in. x 2 ft. Semi-Rigid Aluminum Dryer Vent Duct with Collars MFX42CULXHD - The Home Depot

The Master Flow 4 in. x 24 in. Round Vent Pipe has a crimped end to promote a secure, interlocking fit. The snap-lock design ensures an easy

Master Flow 4 in. x 2 ft. Round Metal Duct Pipe BCP4X24 - The Home Depot

Master Flow 4 in. x 24 in. Round Aluminum Pipe AP4X24 - The Home Depot

Everbilt 6 in. Galvanized Steel Worm Gear Clamp MC6HD - The Home Depot

Master Flow 4 in. x 96 in. Aluminum Flex Pipe AF4X96 - The Home Depot

Everbilt 7 in. x 8 ft. Semi-Rigid Flexible Aluminum Duct MFX78XHD - The Home Depot

This premium semi-rigid, aluminum, flexible yet rigid patented duct is recommended over conventional semi-rigid and foil ducts. This duct requires no elbows as it can form tight 90 degree turns requiring less space to work. The design creates airtight seams and prevents unraveling while handling. The duct is reinforced with bead wire helix to always maintain its round shape.