| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure in which the detachment work of a filter is performed from any of a housing outside and a housing inside, in a ventilator included in an electrical equipment housing box and mounted with the filter.SOLUTION: A ventilator included in an electrical equipment housing box and mounted with a filter, includes a base part 1 attached to the housing body of the electrical equipment housing box, and a filter housing part 3 housing the filter. The ventilator forms, in the filter housing part 3, an opening 4 for filter detachment capable of detaching the filter from both of the inside and outside of a housing, while attaching the base part 1 to the housing. |
