The Perlick 4303J4 Beverage Trunk Housing is designed for remote beer systems, featuring a durable and water-resistant jacketing. It includes four 5/16" I.D. Bev-Seal Barrier beer lines, compliant with NSF standards, ensuring safe and reliable beverage transport. The product lines are both color-coded and number-coded for easy identification. It is equipped with 1/2" O.D. copper coolant lines and 3/4" thick thermal insulation to maintain optimal temperature. The outer wrap is made from black PVC that is flame-retardant, providing added safety. With a 3" diameter overall, this trunk housing is sold by the foot, making it a versatile choice for your beverage dispensing needs.