Finolex SWR Pvc Air Cowl

Finolex SWR PVC Air Cowl is fitted at the top of a soil or vent stack to allow air circulation in the drainage system while preventing entry of birds, debris, and rain. Promotes proper drainage stack ventilation, eliminating negative pressure and trap siphonage. Manufactured from UV-resistant rigid PVC to IS 14735 standards. Available in 1½ inch, 2½ inch, and 4 inch sizes.