Ideal fuss free solution when you need to install a hole in an external or internal wall. Suitable for use with 4 inch/100mm fan via round ducting.

• For use with 4 inch/100mm fans
• Compatible with 4 inch/100mm round rigid or flexible ducting
• Louvered vent, with integral fly screen to keep out insects
• Removable front grille allowing access for maintenance of the fly screen