True GDM-49 Glass Door Merchandiser Features Energy efficient : superior insulation and no heater wires or electric condensate pans are requred Oversized, environmentally friendly 134A refrigeration system Bottom mount compressor : bottom shelf height higher than coolers with top mount compressors. Long-lasting and permanent 10 mil white vinyl laminate exterior Formed-in-place polyurethane high density cell insulation (CFC free) Triple pane thermal glass Stainless steel interior bottom Attractive thin wall cabinet design Lifetime acrylic white aluminum interior walls Adjustable vinly coated wire shelves Positive seal self-closing doors Fluorescent interior lighting Self-contained system Illumunated decal sign panel