Parasene Superwarm 5 Code: 682 Ideal for use in a small greenhouse of 5sq meters or as an anti-frost heater in a larger structure. Quality build for many years of use. Specifications: 4.5 Litre Capacity Economical to run will burn continuously for 3.5 days on one filling. Safety Tested and Approved. 1 Year Manufacturers Guarantee £39.69 Quantity: