The Rotorvent Ultralite 2 is a highly competitive, finest top quality revolving anti downdraught cowl & ventilator for use on flues & chimneys Tested & certified under new regulation BSEN 16475-7:2016 & BSEN-1856-1:2003 Exceptionally light weight Suitable for use on all fuels Comes with strap fixing kit Certified to BSEN 1856-1:2003 & BSEN16475-7:2016 Black finish reduces reflections in sunlight