Install a tuyau: make sure it ha a diameter of at least 50 mm, with a smooth inner wall and a remorquage fil de fer in it. The tube should run from outside to inside (all the way into the house). Gardez à l’imagination que l’utilisation sûrs codes promotionnels s’inscrit https://www.becharge.be/be-fr/Acheter/cartes-cadeaux-LEGO-Belgium-3-708