Compatible with Miele Triflex HX1 3 in 1 Design Cordless Vacuum Cleaner, Replaces Part Number 9178017731 HIGH QUALITY PERFORMANCE This filter removes 99% of dirt, hair and small debris. Fresh exhaust can prevent dust, reduce dust damage to machine parts and have no secondary pollution. Box contents: filter. Note: If you want to remove the filter element and filter, please install the filter on the vacuum cleaner and then pull the \ Model: Size: Color: