Knightsbridge MLA EX007B 100mm/4 inch Gravity Shutter - Black

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
• Gross Weight Each : 0.11
• Height : 152
• Width : 152
• Projection : 38
• Recessed Depth : 22
• Cut-out Diameter : 105
• Construction : Polycarbonate
• Finish : Black