Are you tired of feeling a cold breeze or unpleasant smells coming through your extractor fan or ducting? Our Back Draught Shutters can help you! In this selection contain 4" 100mm shutters that are designed to stop backdraught when a fan is switched off.

TOUGH AND EASY TO INSTALL

Our back draught shutters are made from durable white GRP plastic that is built to last. They are designed to fit standard size 100mm diameter ducting and can be mounted both horizontally and vertically. With a 100mm/4 inch plastic ducting connector, the shutters can easily be integrated into your ventilation system.

IMPROVE YOUR VENTILATION SYSTEM

Our back draught shutters can fit inside 100mm round pipe or 102mm flexible hose and can be used to join multiple lengths of pipe together to form a long duct run. They are perfectly suited for ducting your Tumble Dryer, Bathroom or Kitchen extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood and other ventilation applications.

KEEP YOUR AIR CLEAN

By preventing backdraught, our shutters help keep your air clean and fresh. They are especially helpful in preventing unpleasant smells from entering your home through your ventilation system.

EASY INSTALLATION

Our Back Draught Shutters are easy to install, simply attach them to your ducting and enjoy a draught-free home. They are also lightweight, making them easy to handle and install.

PROTECT YOUR HOME

Our back draught shutters are a simple and cost-effective way to protect your home from draughts and unpleasant smells. Don't wait until the next cold snap or bad smell to improve your ventilation system, order your Back Draught Shutters today!

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4 inch back draft shutter

Backdraught shutter for 4 inch ducting

4 inch inline backdraft shutter

Gravity operated backdraft shutter for 4 inch ducting

4 inch backdraft damper

4 inch ducting shutter

4 inch ventilation damper

Backdraft blocker for 4 inch ducting

Inline extractor fan shutter 4 inch

4 inch ducting backdraft flap

4 inch ducting draft stopper

4 inch ducting backdraft preventer

In-line shutter for 4 inch ducting

4 inch backdraft stopper

4 inch extractor fan damper

4 inch ductwork backdraft damper

4 inch inline duct damper

4 inch ducting backdraft control

4 inch ducting check valve

4 inch vent damper

4 inch gravity flap shutter

4 inch venting shutter

4 inch extractor hood damper

4 inch ducting backdraft restrictor

4 inch inline exhaust damper

4 inch backflow preventer

4 inch ductwork draft blocker

4 inch extractor fan backdraft damper

4 inch ducting backdraft insulation

4 inch ducting backflow preventer

4 inch venting damper

4 inch inline vent damper

4 inch ductwork backdraft control

4 inch inline ductwork damper

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Thank you