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 – Prevents backdraught air and rain penetration – Prevents objects of vermin entering when the ventilation is not in operation

Technical Specification:

Projection (mm): 38
Recessed Depth (mm): 22
Cut-out Diameter: 105
Construction: Polycarbonate
Finish: White
Dimensions: Height: 152mm
Weight: 0.11Kg
Warranty: 1 Year