CHIMENY COWL CAP WITH BIRD SCREEN CANOPY UNIVERSAL FITTING NEW, BOXEDChimney Cowls Rain Cap Chimney Rain Cap with Bird Screen with Band Fitting Suitable for most conventional clay chimney pots with an 8 inch (200mm) internal and 9 inch (230mm) external diameter. It is designed to prevent bird entry and to reduce rain ingress. Features Quick and simple to install Incorporates 2 worm drive locking bands Fits most conventional chimney pots Durable Construction and Universal Fitting Prevents rain and bird entry Attractive