Shock freezer features Include Designed for the needs of restaurants, bakeries, pastry and ice cream production, to freeze the material very fast with very low temperature of -35 C. Degree. Ideal for hardening artisan gelato/ ice cream. Insulated door with self-closing device and full height handle Blast chilling and blast freezing can be controlled by core probe or by timer. Digital read-out of the chilling cavity or core product temperature. Outside Surfaces and Chilling Cavity in 304 Stainless Automatic keep frozen function after process finished. R404a refrigerate gas.