All Countertop and Undercounter Freezer models have CFC-free insulation and coolant. No. 77465 has adjustable thermostatic control, two adjustable wire shelves, three door shelves, ABS plastic interior with enameled steel exterior and manual defrost. No. 141303 offers one removable shelf, door shelf, manual defrost and key lock. No. 141304 includes one removable shelf, manual defrost and key lock. No. 141302 gives you three fixed bins with external controls for thermostat that include a deep freeze setting and an over-temperature warning with visual alarm. It is suitable for –25°C storage requirements and has manual defrost and a key lock. No. 77467 features one door and an interior freezer compartment, one removable shelf and manual defrost.