You get 2 brand new sealed boxes. Retails for $79 a box

Hart & Cooley® Flexible Air Duct, Series: Residential F114, 4 in Inside Dia, 25 ft Length, 5000 fpm, -20 to 140 deg F, Polyethylene, Black, Domestic

Features

Black polyethylene jacket

Double-ply, black polyester core 12 in W.C. positive, 3/4 in W.C. negative (1/2 in W.C. neg for 14 - 20 in dia)

R-4.2 insulation

Greengaurd level 4 highly microbial resistant