Alpha Relief Air Vents



The Alpha Relief Air Vents have been designed to control air pressure within buildings. They may also be used in a ducted system where the fan is mounted remotely to the cowl. Fitted with bird mesh to eliminate the risk of debris and birds entering the building.



  • Lightweight, corrosion-proof construction
  • Can also be used as air intake units
  • Protective bird mesh guards are fitted as standard




  • Base and cowl made of U.V. stablised plastic
  • Designed for curb mounting
  • Can be mounted at angles up to 30°



Model No.A□B□CDE□Kg.

All dimensions in mm


Exhausting clean air and a range of toxic, noxious and corrosive gases from a wide range of commercial and industrial applications.

A range of upstands are available.

For information on suitable upstands contact your local Fantech branch.