Made of high-quality material for increased durability. The pleated design offers good air permeability and efficient dust filtration, capturing ultra-fine dust particles. Helps reduce vacuum noise and extends cleaning time. Washable and reusable filter. For optimal performance, it is recommended to replace the filter after 6-8 washes. 2-Pack value set allows for continuous cleaning with easy replacement during use. Part Numbers: 11385020, 05-VCH-743, 9178017731 Compatible Models: For Triflex HX1 FSX Vacuum Type: Vacuum Cleaner Filter Replacement for: Vacuum cleaner filter, handheld cordless vacuum spare part, robot vacuum spare part, household floor cleaning appliance 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 between the image and the actual item. Measurement error allowed is +/- 1-3 cm.