Marvel Scientific products are engineered and built to meet or exceed the stringent standards required by health, science and industry. By choosing Marvel Scientific refrigerators and freezers, you are choosing performance and safety. Each General Purpose, Flammable Material Storage, and Hazardous Location (Explosion Proof) model has been designed specifically for the lab with a Commercial UL Listing for your peace of mind. Let Marvel Scientific help you professionally protect your research, your specimens, and your lab.