Thermo Scientific flammable material storage freezer 3556-4X is designed to ensure maximum safety for storage of flammable and volatile materials. This 120 volt freezer features corrosion-resistant spark-proof interior and white acrylic scratch-resistant exterior. Model 3556-4X features CFC-free foamed-in-place cabinet insulation, hermetically sealed refrigeration compressors and adjustable temperature control. This Thermo Scientific freezer has 2 fixed interior shelves with 3 fixed door storage shelves. The 4.5 cu. ft. unit also meets OSHA and National Fire Protection Association safety requirements.