A filter assembly

The present invention provides a filter assembly arranged to be mounted over the air inlet of a fan assembly, the filter assembly comprising a filter frame arranged to support one or more filter media. The filter frame is provided with a first engagement member on a first edge of the filter frame and a second engagement member on a second edge of the filter frame, the first edge being opposite tothe second edge. The first engagement member and the second engagement member are each configured to be engaged by a respective retention assembly when mounted on the fan assembly. 提供了一种过滤器组件，布置为被安装在风扇组件的进气口之上，所述过滤器组件包括过滤器框架，布置为支撑一个或多个过滤器介质。过滤器框架在过滤器框架的第一边缘上设置有第一接合构件，且在过滤器框架的第二边缘上设置有第二接合构件，所述第一边缘与所述第二边缘相。第一接合构件和第二接合构件每个配置为当安装在风扇组件上时由相应的保持组件接合。