When the fan is turned off, the non-return flap prevents outside air from entering the room and out of hot air. When the fan is running, the non-return flap opens to allow unwanted air to be removed efficiently.
Shipping cost is 9,99 EUR. DPD / UPS / Polish Postal Service.
Extra fee 89,99 EUR for heavy (over 31kg) and bulky orders.
Non EU customers (e.g Norway, UK) are responsible for all
import/customs/local tax fees that may be incurred upon receipt of your package.
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