REMS Eskimo – freezing instead of draining. Super fast. Automatic refrigerant feed. High cooling capacity, e.g. 3/4" steel pipe in only 5 min. Very small, indestructible freeze collars. Easy, fast freezing of pipes which are not drained, with CFC-free refrigerant carbon dioxide. For maintenance, repair, extensions of piping systems. Steel, copper, plastic, composite pipes  1/8–2",  10–60 mm. Refrigerant: carbon dioxide, without CFC. Refrigerating capacity to –79°C (–110°F). Non toxic, non flammable.