This Twin Burner Greenhouse Heater is ideal for use in a greenhouse of up to 5sqm or as an anti-frost heater in a larger structure. Producing a dependable heat that is distributed across the across the greenhouse, this twin burner paraffin heater emits 600 watts of heat and is able to burn for up to 40 hours, keeping the cold and frost from damaging plants. Dimensions: H 49 x W 33 x D 12cm Suitable for greenhouses up to 5sqm / 8 x 6 Burning time: up to 40 hours Powered by Paraffin 1 Year Guarantee