125mm Wall Fixing Ventilation Duct Kit with Cowl
 
It is a wall-mounted plastic ventilation kit that provides natural inflow or outflow of air from the room.
The ventilation kit is for installation in walls with a thickness of max. 500mm / 19''
The square cowl, 7 inch x 7 inches (190 x 190mm) with a 5-inch flange (125mm) and top plate
Air's flow can be manually adjusted and has an insect protection screen
Maintenance-free - no moving parts
Quick and easy installation with screws, (not included) or gluing