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
SKU:EX007W
Product Description
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
