PVCu Roof Vent - This is a welded frame product
that glazes straight into a polycarbonate panel. It is
developed as a retro-fit product, so can be fitted to
most existing installations. The vent is provided
with a chrome telescopic opener, but the crank
handle is additional cost.
Visit the Meridian Building Plastics website for more information on PVCu Roof Vent With Chrome Telescopic Opener