Ventilation chimney for building housing many animals - has screw-type spiral air guide with at least one complete turn, with water-collecting device at base of spiral

摘要

A spiral air guide (2) in the centre, making at least one full turn (8), and extending to its inside wall. This has a water collection and drainage system at the end towards the chimney inlet. The air guide can be formed of metal or plastic silicone. Pref. there is a rubber seal between the outer edge of the guide, and the inside wall of the chimney and a central bar (6). Pref. a ventilator (12) is included. ADVANTAGE - Increases speed of air current, and keeps any rain out of the building interior.