Series 971 non-cabled insulated bundle is comprised of flushable Bev-Seal Ultra® Series 235 tubes, each color coded and individually numbered, and black-colored Series 21 LLDPE coolant tubes strategically placed and designed to provide optimum cooling. A tear-resistant aluminized film wrap over the group of tubes further enhances the insulating properties of the 3/4" thick tubular foam sleeve. A black extruded jacket with slip agent to minimize friction is branded with product identification, NSF listing marks, and footage counter marks.