Paraffin oil greenhouse heater, stoveA must have for sensitive plants! That's Nature's greenhouse warmer made of galvanised material. The warmer has a capacity of 1. 7 l and runs on paraffin oil. The small burner heats the greenhouse (for spaces less than 2 m), so that there is no damage from frost in the greenhouse. Burning time: approx. 10 days. Height: 13 cm, diameter: 21 cm. This keeps all your plants strong and warm!