Thickness: 2.5-inch Foamed-in-place CFC-free and polyurethane insulation Volume: 400, 500, 600, 700, 800, 1, 000 and 1, 300L Three and four door models also available upon request Self-contained refrigeration with hot gas condensate No plumbing or floor drain required One safety shielded fluorescent interior light with light switch Illuminated top sign panel Lights up for a bright and attractive display Thermostatic control holds 32 to 45° F Forced-air system, most efficient cooling with no need for defrost Double-pane tempered thermal glass, will not shatter Self-closing PVC-clad doors with hold open feature Doors stay open for easy stocking of product Non-mechanical sliding glass doors with removable door rails No weights or pulleys Easy cleaning and maintenance Eight adjustable epoxy coated wire shelves Adjustable bullet feet Height is adjustable