The Perlick 4303-20 Beverage Trunk Housing is designed for remote beer systems, featuring a robust construction that ensures optimal performance. It accommodates (20) 5/16" I.D. Bev-Seal Barrier beer lines, which are NSF-certified for safety and quality. The product lines are conveniently color-coded and number-coded for easy identification. It includes 1/2" O.D. copper coolant lines for efficient temperature control and is insulated with 3/4" thick thermal material to maintain beverage quality. With a 5" diameter overall, this trunk housing is custom fabricated at the factory and is sold by the foot, allowing you to specify the exact length needed for your setup.