Parasene Super Warm 4 Paraffin Greenhouse Heater 681 This Parasene greenhouse paraffin heater is ideal for a greenhouse up to 4 sq metres (6' x 6') in size, or as an anti-frost heater in a larger structure FREE POSTAGE £27.90 Quantity: at £27.90 each Add To Basket This paraffin greenhouse heater is manufactured by Parasene. These paraffin heaters are ideal for use as heaters in greenhouses up to 5 square metres (6' x 6') in size. Alternatively, these greenhouse paraffin heaters can be used as as anti-frost heater in a larger structure. The maximum fuel capacity is 4.5 litres, which gives these paraffin heaters a continuous burning time of up to seven days from one filling. Not for use in inhabited areas nor for animals.