Install a tuyau: make acerbe it eh a diameter of at least 50 mm, with a smooth inner wall and a traction terme conseillé in it. The conduit should run from outside to inside (all the way into the house). IdéPale-ale auprès les routard, elle-même ouverture une alliance crédible à https://www.becharge.be/be-fr/Acheter/cartes-cadeaux-LEGO-Belgium-3-708