HOOD FOR VENTILATING SYSTEM

摘要

A hood for a ventilation system is provided to perform a fixing operation of an outdoor member and an indoor member in the indoor to reduce an operation time in the outdoor. A hood for a ventilation system includes an outdoor member(11), an indoor member(12), a first fastening member(13), and a second fastening member(14). The outdoor member has an annular shape, in which a ventilation pipe is supported adjacent to a ventilation port disposed at a wall of a building. The indoor member is installed to be supported by an indoor wall. The first fastening member extends toward into the ventilation port from the outdoor member and passes through the indoor member to project inward at its tip. The second fastening member is fastened to a projection of the first fastening member to fix the outdoor member to the indoor member. The ventilation pipe has a suction passage for guiding the outdoor air into the indoor, and a ventilation pipe disposed at the ventilation port.