| 摘要 |
<p>A ventilation vent cap includes a cylindrical main body fitted into a duct placed in the exterior wall of a building so as to communicate between an interior and an exterior; a shielding portion disposed in the exterior via a support member attached to an outdoor-side end surface of the cylindrical main body; and a cover portion blocking vertically an upper part of an air passage extending between the outdoor-side end surface and the shielding portion. The shielding portion is in the shape of a cone whose apex is located in the air passage and above an opening upper end of the cylindrical main body.</p> |
