From production to store shelf, Phillips PAKs (Power Air Kits) come packaged in a sleek and durable, easy-to-carry box designed to display and market the product. From shelf to customer, the Phillips PAKs complete back-of-cab systems, ready-to-install right out of the box. A system packaged in one box, sold under one part number, offers easier inventory management, invoicing, and convenient sourcing for retail and installation.