They can be used for flue gas, ventilation ducts, etc. Designed to protect pipes from precipitation, as well as to increase traction.
chimney pot, Cowl,flue Top
Anti-Downdraught Cowl,Chimney Cowl,Flue Pipe Cowl,Rain Cowl 4" 5" 6"
Chimney Rain Cover Flue Cowl Pipe Roof Vent Cap Rain Cap For Stove Chimney Uk
Stainless Steel Chimney Spinner Cowl Rotating Anti Downdraft Flue Cap 80–200mm
Chimney Spark Arrestor Flue Liner Rain Cap Cowl Duct Pipe Cover Protector
Chimney Anti-Wind Cowl Flue Liner Rain Cap Spark Arrestor Duct Pipe Cover
