HEAVY-DUTY COMPRESSOR: Equipped with variable capacity heavy duty compressors which can save up to 40% more energy and emit significantly lower noise when compared to a conventional compressor. PRE-INSTALLED CASTERS WITH BUMPER AND BRAKE: Industrial casters are designed to hold up over 150 lbs. each. Diameter post and 3/8 inches incerst. Featuring a swivel design for easy mobility. A set of 4 includes brakes on 2 of the wheels for control and safety. MAGNETIC DOOR GASKETS: Our seals keep heat, cold, moisture, and dust in or out! Flexible gaskets with magnetic strip inserts provide energy-efficient seals without the use of door latches. These gaskets are NSF approved. EFFICIENT REFRIGERATION SYSTEM: This environmentally friendly refrigeration system is a self containec, balanced refrigeration system for efficient operation even under the most extreme working conditions. Air cooled, maintaining product temperature of 32° - 38°F. PRE-INSTALLED EPOXY COATED SHELVES: Our epoxy coated shelves do very well in moist environments. These units are intended for use in humid and moist environments that are found in your walk-in refrigerators and freezers. Their epoxy coating also provides protection from rust and corrosion.