Laboratory & Pharmacy Refrigerators - 6 cu ft Compact Lab Refrigerator - Aegis Scientific 3-CR-6 Aegis Scientific Series III has 3-CR-6- an undercounter laboratory refrigerator that has a capacity of 6 cu. ft. The main features of this compact refrigerator are: a sturdy hinged door, wire shelving, and a digital temperature control display. Its compact size makes it a convenient model to be used in laboratories and pharmacies. This refrigerator is a great help for storing vaccines, medicines, serums, and other medication products.