Laboratory Refrigerators APS/LR-50 To meet requirements of general cooling applications in various medical and other laboratories we design, manufacture, and supply refrigerators from small to large capacities with temperature ranges of 2C to 8C. This laboratory refrigerator equipment offers excellent temperature control and comes with a number of optional features that assist you in making your research comfortable. A range of sizes is available from 50 liters to 1000 liters or more with either single or double outer doors, under counter, or upright (vertical type) designs. All models are constructed with powder-coated mild steel (stainless steel optional) and stainless steel interiors and each has high and low-temperature audible alarms.