Grow Exotic Plants & Tender Crops With The Parasene Anti-frost Heater. Keep Fruit Trees Like Citrus Well-protected & Start Off Vegetables Early In The Year For Earlier Harvests Later In The Season.ideal For Staving Away Damaging Frosts In Your Greenhouse Or Large-cold-frame, & Has A Long-lasting Burning Time Of Up To 14 Days With One Fill Of Fuel.the Circular Heater Has A Strong, Sturdy Base & Is Easy To Place In Your Greenhouse Or Coldframe.capacity: 2.25 Litres