First Basic Trunk Housing, for remote beer system, (2) 5/16" I.D. Bev-Seal Barrier beer lines (NSF-component), product lines are color-coded & number-coded, 1/2" O.D. copper coolant lines, 3/4" thick thermal insulation, black PVC flame-retardant outer wrap, 3" diameter O.A., custom fabricated at factory, sold per ft, specify number of feet, each