This listing is for a 3-piece flex hose set for all 1970-72 Chevelle, El Camino & Monte Carlo with factory air-conditioning.

As shown as #'s 4, 8 & 9 in the assembled duct photo, this is the piece that acts as a bridge between the distribution duct and the right-hand vent assembly.  The #9 is made of high quality cloth material; 30" in length, 3 1/8" inside diameter.  (A VERY TIGHT FIT, WHICH IS NECESSARY TO HOLD IN PLACE)  The #4 (5") and the #8 (13") are made of high quality flexible rubber, 1 3/4" inside diameter.   ONLY THE #'s 4, 8 & 9 ARE INCLUDED!