Product Description Download Product Brochure The VWR Standard Series Manual Defrost Laboratory Series Freezers are designed specifically with general-purpose applications in mind. Adjustable operating temperature range: 15 to 25 C (5 to 13 F) Direct-cool fixed evaporator shelves These units are ideal when stable temperatures averaging -20C are required but precise temperature control, maintenance, and alarms are not necessary. These freezers feature a manual defrost design to eliminate damaging temperature spikes from defrost cycles. This ensures valuable sample security. Defrosting of the unit must be performed periodically to prevent severe ice build-up. Certifications: UL/C-UL listed.