Rotating hood for ventilation pipes, chimneys, and air extraction.The gairing provides maximum protection without hindering the performance of the chimney. There are many types of chimney hoods in our store, and many sizes. Base diameter fits most standard chimney with base diameter respectively of 100mm,110mm,150mm,160mm,200mm,300mm,350mm,400mm,450mm,500mm will fit standard chimney pots, robust stainless steel construction .Can be installed directly without complicated assembly 304 Thick Stainless Steel Rotating Cap: Spinner AntiDowndraught Fits Most Standard Chimney Pots Very effective in wind and increasing ventilation. Chimney caps Designed for versatility, our rain cap is suitable for various setups,design optimizes chimney combustion and ensures smooth evacuation, providing a - environment that meets all your needs