30l no compressor minibar refrigerator Ammonia Absorption System Minibar Hotel Refrigerator US $306.00-$396.00
Refport New Solar 12V/24V DC 25L Ultra Low Temperature Home Storage Camping Portable Freezer US $1035-$1420
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Refport Stirling cooling technology Free piston stirling cooler -130C supper cooling compressor US $320.00-$400.00