The Perlick 4220J12 Beverage Trunk Housing is designed for remote beer systems, featuring a robust construction that ensures durability and efficiency. This trunk housing includes water-resistant jacketing and accommodates twelve 3/8" I.D. Bev-Seal Barrier product lines, which are both NSF-certified and color-coded for easy identification. The system is equipped with 1/2" O.D. copper coolant lines and 3/4" thick thermal insulation to maintain optimal beverage temperatures. The black PVC flame-retardant outer wrap enhances safety and longevity. With a 4-1/4" diameter, this product is sold by the foot, making it a versatile choice for various installations.