The Perlick 4303J8 Beverage Trunk Housing is designed for remote beer systems, featuring a durable and water-resistant jacketing. It accommodates eight 5/16" I.D. Bev-Seal Barrier beer lines, which are NSF-certified for safety and quality. The product lines are both color-coded and number-coded for easy identification. It includes 1/2" O.D. copper coolant lines and is insulated with 3/4" thick thermal insulation to maintain optimal temperature. The outer wrap is made from black PVC that is flame-retardant, ensuring safety and longevity. With a 3-1/2" diameter, this trunk housing is sold by the foot, making it a versatile choice for your beverage dispensing needs.