The Laboratory Deep Freeze Storage Cabinet TC 1019-ex is made of stainless steel both on its exterior and interior hardware. The interior part is built with rounded corners making it ideal for maintaining over-all cleanliness and hygiene. To preserve optimum insulation of stored specimen, the TC 1019-ex's interior is also made of 60 mm thich polyurethane which is free of CFCS. What makes this storage cabinet different from the others is that it is internally spark resistant. Basically, it dose not have any electrical components on the internal portion. With this, risk of fire or possible explosion is reduced on a large scale. Also, it features a solid door that comes with a right hand hinge. To address specified needs of clients, a left hand hinge can be provided upon placing your orders.