100mm - External Wall Wind Sound Baffle Vent Cover Draft Excluding Air Ventilation for Extractor Fans & Heat Recovery - Black

Blauberg BB-CHK-100-3-VJBL Cooker Hood Gravity Shutter Vent Duct Kit Fan Extractor 4" 100mm Black Product Description Our most popular product choice for venting for terminating cooker hoods, extractor fans, heat recovery ventilation systems, toilets and bathrooms. A convenient wall mounting duct kit for all types of ventilation installations when penetrating through a wall with a 100mm 4“, 125mm 5“ or 150mm 6“ hole. The preferred choice for kitchen extractor fans & cooker hoods, utility rooms with higher levels of humidity, downstairs toilets, bathrooms, wet rooms and showers. Electricians, plumbers and builders have all commented that the use of the heavy duty flexible ducting in the ducting kit allows easier installation than solid pipe as it can be manoeuvred much more conveniently by squashing the helixed ducting through uneven holes, tight spaces and even ceiling voids. The kit consists of; heavy duty aluminium ducting, 2 x jubilee cir ducting clips and an anti-back draught shutt