427 Lambro Smooth Aluminum Dryer Pipe
Smooth, snap lock aluminum pipe is crimped on 1 end. Major city building codes require that any dryer ducting placed within a drywalled wall must be a minimum of 5' to eliminate seams, must be smooth in texture (no ribbing), and must be of steel or aluminum manufacture (no vinyl, mylar, or PVC) to eliminate lint fires.
No. 427: Dimensions: 4" Dia x 60" L, Material: Smooth Aluminum, Pkg Qty: 1