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Vent Cowls


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Vent Cowls are an ideal method for providing air circulation through tanks where rainwater is piped directly into the top or side of the tank, rather than passing through a tank screen. Vent Cowls are also designed to fit the top of toilet vent pipes, to reduce pan syphoning.

Features and Benefits

  • 0.955mm stainless steel screen.
  • Improves water quality.
  • Allows the tank water to breathe.

Installation Instructions

Secure by gluing directly to the top of the rainwater tank or vent pipe.


Features and Benefits 

  • Weatherproof with a twist-off top.
  • Stainless steel 0.955mm mosquito-proof mesh.
  • Twist off top prevents the entry of rainwater entering the drainage system and can be removed for easy cleaning.
  • Flange design allows fitment to the top of rainwater tanks to help with ventilation.
  • AS4020 compliant.
  • Available in 50mm and 100mm female fitting.
All Vent Cowls are compliant with Australian Standard AS/NZS 4020:2005 (Testing of products for use in contact with drinking water)