Ventilation member and vented housing using the same

摘要

A ventilation member having: a breathable film (4) transmitting gas passing through an opening portion (8) of a housing (7) in a state in which the breathable film is fixed to the opening portion (8); and a support (2) including a supporting portion (2a) for supporting the breathable film (4) and an insertion portion (2b) to be inserted into the opening portion (8) of the housing (7); wherein the insertion portion (2b) has a lock portion (2c) in an insertion-start-side end portion thereof, the lock portion (2c) having a tapered forward end, while the insertion portion (2b) is divided into a plurality of parts (2h) circumferentially at least on an insertion start side thereof.