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 a powerful suction function can instantly remove hidden dirt and effectively clean the deep [high-efficiency filter] mattress of the mattress, vacuum cleaner HEPA filter deep purification, traps 99.97% of particles, as small as 0.3 microns, releases 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia