The pulsating mat vibrates about 12,800 times per minute to stir up the mattress with dust and dirt loose with high-frequency vibrations. Bringing dirt to the surface of the fabric, combining dirt with powerful suction power for immediate removal of hidden dirt and effective cleaning of the deep [high-efficiency filtration] mattress vacuum cleaner HEPA filter deep purification, trapping 99.97% of particles, as small as 0.3 microns, releasing fresh air. Isolate large particles of garbage, lock in dirt and dust, and will not leak. Dust box cleaning] mattress cleaning clip-on dust box, easy to disassemble and clean, can directly clean under the faucet, regular cleaning, weak suction power or dust clogging failure. Note: The filter needs to be used dry, so it is equipped with two filter elements for easy replacement