It let s the exhaust out while not letting the cold air get back in.
Exhaust fan draft blocker.
The flap remains closed when the dryer or fan is turned off.
How does the bath exhaust fan draft blocker work.
Stop air drafts through your bathroom fan.
Our bath exhaust fan draft blocker is a one waydevice that helps prevent air flow into the house.
Mick explains why the draft stoppa is a good idea for your ceiling exhaust fans.
A pair of duct clamps are included.
Fits all 4 in.
This will only allow air to flow out and will restrict cold air from coming in.
10 best bathroom exhaust fan draft blocker september 2020 5 reviews scanned.
It also doesn t let the warm air out of your.
What is the bath exhaust fan draft blocker.
Draftstoppa is a device that prevents draughts from entering through horizontally mounted exhaust fans.
Helps to keep the cold air out of the home when the dryer or fan is not in use.
This product is used primarily on ceiling mounted exhaust fans.
Draft blocker helps to prevent cold air from entering the home through the vent.
It has plastic butterfly valves that open automatically when the exhaust fan is switched on and shut when the fan is switched off.
Benefits of the bath exhaust fan draft blocker.
The bath exhaust fan draft blocker is simply spliced into the exhaust duct.
The flap remains closed when the dryer or fan is turned off.
The flap opens when the dryer or fan is operating to allow the air and lint to exhaust.
Inline vent draft blocker helps to prevent cold air from entering the home through the vent.
Our bath exhaust fan draft blocker is a one way air flow device that helps prevent air flow into the house.
Save heat and air conditioning costs.
If this is the case in your bathroom you can get an exhaust fan draft blocker.
Designed for preventing the air from entering the living space.
Made in usa easy to install see more product details.
Save on your home heating costs with our bath exhaust fan draft blocker.
Draft blocker backdraft damper duct draft stopper backflow preventer inline fan vent vent.
This simple device can be purchased at any hardware store and will keep all unwanted cold drafts out of your bathroom.
Fits any bath fan standard 5 duct.