Samsung 253 L 2 Star Frost Free Double Door Refrigerator(RT28M3022S8, Elegant Inox, Inverter Compressor) The Samsung RT28M3022S8 refrigerator features an all-around cooling technique that maintains the temperature from top to bottom. This refrigerator has digital inverter technology that ensures reliable operation. The smart connect inverter function ensures a hassle-free operation during power cuts. With the easy side shelve design, you can conveniently access your food items. The stabilizer-free operation provides protection in the case of power fluctuation. Compressor: Inverter.