Double Flaps Back Draught Shutter 150mm to 180mm dryer box It offers superior durability compared

It offers superior durability compared to standard aluminum foil or PVC dryer hoses

PVC flexible ducting is designed for ventilation applications includingduct fans and vent exhausts in factories

for walls or ceilings

Including a 4-inch diameter

suitable for outdoor wall and roof mount

Double Flaps Back Draught Shutter 150mm to 180mm dryer box It offers superior durability comparedDescription This backdraught shutter can be used for a variety of purposes including whole house ventilation, passive stack vent, air conditioning, positive pressure, Tumble Dryer Venting, HVAC, and Heat Recovery Systems. Stops unpleasant odours, noises, or draughts flowing back through your duct,Perfectly suited for ducting Bathroom or Kitchen extractor fan, Hydroponics, In Line Extract Fans, or Cooker Hood.