@GizmoOcean @Mw_ottawa @trendless @3M @JimRosenthal4 @CorsIAQ They look like 120mm fans. One 240mm PC fan might be better (at least cheaper and simpler to assemble), but not sure.
@GizmoOcean@Mw_ottawa@trendless@3M@JimRosenthal4@CorsIAQ他们看起来像120毫米的风扇。一个240毫米PC风扇可能更好（至少更便宜，组装更简单），但不确定。