Versatility is the word best used to describe this vent opener. The univent is constructed of aluminum and stainless steel but has the ability to be used as much more than a roof vent. The design of the univent enables it to be used to open side wall vents, cold frames and even sliding doors. Opening to a maximum of 18 inches lifting a weight of 14 kgs and equipped with double closing springs for extra support in windy weather. Temperature range 16-25 degrees Celsius.
SORRY, OUT OF STOCK FOR 2014. WILL BE BACK IN STOCK EARLY 2015.