The Perlick 4220J5 Beverage Trunk Housing is designed for remote beer systems, featuring a robust construction that ensures durability and efficiency. It includes water-resistant jacketing and accommodates five 3/8" I.D. Bev-Seal Barrier product lines, which are NSF-certified and come with color-coded and number-coded identification for easy setup. The housing is equipped with 1/2" O.D. copper coolant lines and is insulated with 3/4" thick thermal material to maintain optimal beverage temperatures. The outer layer is made of black PVC that is flame-retardant, providing an added layer of safety. With a 3-1/2" diameter, this trunk housing is sold by the foot, making it a versatile choice for various installations.