Parasene Superwarm 10 Code: 692 Protect your plants from frost! This paraffin Greenhouse heater is ideal for use in a greenhouse of 10sq meters (8' x 12'). With Blue Flame Efficiency this heater is very economical to run and will burn continuously fo 19 hours on one filling. As with all Parasene products this heater has a quality build for many years of happy use. Specifications: Safety Tested and Approved 2.5 Litre Capacity lasting approx. 19 hours 1 Year Manufacturers Guarantee £58.89 Quantity: