UK made Shilton greenhouse heaters have been in production for over 25 years and have become a household name in gardening and the heating of greenhouses. Hotbox Shilton features: Thermostatic greenhouse heater 1.8Kw. Will heat 120 sq. ft. , Frost protection 180 sq. ft. Designed for greenhouse use. Solid construction - ideal for use in greenhouse environments. UK manufacturer One Year Guarantee. Dimensions: Length 360mm (14") , Depth 160mm (6") , Height 540mm (21'). For more information on the Hotbox Shilton Electric Greenhouse Heater call us and speak to one of our Greenhouse specialists who will be happy to assist you in your purchase.