Both safe and economical. Ideal for heating a shed or a small greenhouse. Compact and portable hanging design. Easy to install without taking up much space in your greenhouse. Burns continuously for up to 3 days from one filling. Safety tested and approved. Tank is rustproof, long-lasting and durable. Heat spreading guard helps the heat reach a wider area while providing added safety. A heater is a must for any greenhouse owner who wants to protect their plants from the harsh winter months. This paraffin heater will help to protect your plants from the dangers of frost, and is highly economical to run. It will burn continuously for up to 3 days from one filling. Size: diameter: 10cm x Height: 15cm.