Compatible with STFCR01SZ Anti-Winding Sweeping and Drag Robot Vacuum Cleaner. Easy to install and remove, no need to spend extra energy and time. The HEPA filter is made of high-strength environmentally friendly materials, which can block most dust down to 0.3 micrometers. The filter can maintain the cleaning performance of the sweeper, while reducing the penetration of dust, pollen and other allergens into the air you breathe. Replacement Filter: A dirty filter will significantly reduce suction power. Depending on the frequency of vacuuming and the amount of dirt cleaned, for best performance, change the filter at least every 3 to 6 months. The powerful cleaning function makes household cleaning more and less laborious. It is suitable for a variety of floors such as ceramic tiles, marble and wooden floors. Name: Hepa Filter Type: Vacuum Cleaner Accessories Vacuum Cleaner Part Type: Filters Type: Vacuum Cleaner Parts Application: Wooden floor, ceramic tiles, marble, etc. Applicable