Product details of Walton WNJ-5B6-RXXX-XX Non-Frost Refrigerator - 526 Ltr. Type: Non-Frost Refrigerator. HCFC free : Cyclopentane. Gross Volume: 526 Ltr. Net Volume: 452 Ltr. CFC Free: R600a. Using Latest Intelligent INVERTER technology No need to use Voltage Stabilizer.