Specifications include, but are not limited to: BRAND ONLY REQUEST – Ext Desc: ULTRA-LOW FREEZER, 18 CF MODEL NO. iUF118 i.SERIES. A. Dimensions and Construction • Internal (wxhxd) in inches 23.1 x 54.1 x 23.3 • External (wxhxd) in inches 28.9 x 78.2 x 34.8 B. Performance and Safety or Equivalent • Must maintain a temperature range of -50°C to 86°C at 32°C ambient • Must maintain temperature uniformity of +/- 5°C at -80°C setpoint to maintain stable temperatures throughout all storage locations within the cabinet. In order to achieve optimal uniformity, refrigeration system must utilize split evaporator design for maximum heat exchange, and unit must incorporate precisely placed refrigeration coils for optimal heat transfer. • Must use controller with digital to ensure precise temperature control.