Capsule Pak refrigeration systems consist of a unitized system which is factory assembled, wired, charged, tested and fully equipped for insertion into a factory prepared walk-in opening. The Capsule Pak system has a flush coil which keeps all components outside, allowing more storage inside. Models shall be available for wall or ceiling mounting for use on indoor or outdoor installations. Models are available for interior compartment design temperatures of +38 F to +35 F, -10 F and -20 F. Installation is fast and easy. No plumbing required on indoor units.