The Hotbox Elite 2.8kw Thermostatic Heater / Circulator is a greenhouse heater that's been specifically designed for smaller sized growers to improve circulation and protect delicate crops against temperature extremes in those cold winter months. Constructed from stainless steel, this powerful little heater is highly durable and has a sealed motor for safe, continuous running. There's many benefits to this heater too for your greenhouse. It improves heat and air circulation, controls the temperature and also helps to protect against the frost and cold weather. It also has an output of 2.8kw that's linked to to a thermostatic control which can cut the heat supply yet allow the fan to continue to circulate the air and thus help prevent airborne fungal disease. Keep things toasty in the greenhouse this winter!