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A H cowl is one of the best preforming anti down draught chimney cowl. H Cowls are suitable for most conventional clay chimney pots with an 8 inch (200mm) internal and 91/2 inch (240mm) external diameter. H Cowl is designed to prevent foreign bodies entering chimneys, to increase updraught and to prevent rain entering the chimney.


H Cowl For 9″ Clay Chimney Pot


A (mm)B (mm)C (mm)D (mm)


  •  Promote positive updraught
  •  Fits most conventional chimney pots
  •  Use on chimneys in downdraught situations
  •  Durable construction, quick and simple to install
  •  Prevents rain ingress.

H Cowl

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