Wzxksoac 4PCS Suitable for Vacuum Scrubber 4011 Filter Elements HEPA Accessories

Cleaning accessories keep your robot clean while reducing the infiltration of dust, pollen and other into the air you breathe. new, high quality material, well made, and well matched to old equipment. Clean accessories keep your home robot performing at its best. Accessory contents are easily removed and replaced as part of routine maintenance. To achieve the best cleaning filter effect, cleaning accessories should be replaced every 2-3 months depending on the frequency of use.