General description 100% new and high quality HEPA filter kit designed for the Z40 Station Robotic Vacuum. Made of high-quality materials, this filter effectively captures fine dust, reducing dust, pollen, and other allergens from the air you breathe. Technical specifications Material: Plastic Package Contents: 1 set of HEPA filter Measurement allowed error: +/- 1-3 cm Usage For optimal performance, it is recommended to replace the HEPA filter every 2 to 3 months as part of normal maintenance. The filter can be easily removed and replaced.