Made of high quality material, more durable. The pleated material has good permeability and efficient dust filtration to capture ultra-fine dust particles. Helps make your vacuum operate more quietly and maintain optimal performance. Filters can be washed and reused. For best performance, it is recommended to replace the filter after 6-8 cleanings. 2-PACK value set provides convenient replacements during cleaning for uninterrupted use. Compatible with models: For Triflex HX1 FSX HX. Part numbers: 11385020, 05-VCH-743, 9178017731. Vacuum part type: Filter. Type: Vacuum replacement filter. Also compatible with handheld cordless vacuums and robot sweepers as a spare part or accessory. Suitable for household floor cleaning and home appliance maintenance. Color: White + Black. Material: Plastic. Package Contents: 2 x Filters 1 x Cleaning Brush Note: Light reflection and display differences may cause slight color variations. Measurement error allowance: +/- 1-3 cm. Only the listed items are included.