Unit Coolers

coolers
A device or container for keeping things cool, in particular
An insulated container for keeping food and drink cool
A refrigerated room
(cooler) a cell for violent prisoners
(cooler) an iced drink especially white wine and fruit juice
(cooler) a refrigerator for cooling liquids

unit
A device that has a specified function, esp. one forming part of a complex mechanism
an organization regarded as part of a larger social group; "the coach said the offensive unit did a good job"; "after the battle the soldier had trouble rejoining his unit"
An individual thing or person regarded as single and complete, esp. for purposes of calculation
unit of measurement: any division of quantity accepted as a standard of measurement or exchange; "the dollar is the United States unit of currency"; "a unit of wheat is a bushel"; "change per unit volume"
Each of the individuals or collocations into which a complex whole may be divided
an individual or group or structure or other entity regarded as a structural or functional constituent of a whole; "the reduced the number of units and installations"; "the word is a basic linguistic unit"