[Hepa Filter] HEPA filter is made of high-strength environmental-friendly materials, which can block most of dust down to 0.3 micrometer. The filter can maintain the cleaning performance of the sweeper, while reducing the penetration of dust, pollen and other into the air you breathe The ability to fit your vacuum cleaner precisely allows every customer to use it with peace of mind. Provides efficient vacuuming and cleaning results, to easily accomplish the job of cleaning floors as well as interstitial dust Vacuum cleaner accessories are designed to be simple and easy to use, you don't need to worry about tedious operation steps, just simple operation to enjoy the fun of cleaning. Hepa Filter Compatible For Compatible For Alpha 2 Pro Robot Vacuum Cleaner Parts Compatible Models:Fit For Alpha 2 pro Colour:White Material:plastic Package Contents: 9 x Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.