Fangrui Product Details Efficient Ionization Process: Employing Electric Brush Technology, This Air Ionizer Releases Negative Ions That Cluster Airborne Positive Ions, Causing Them To Combine, Fall Out Of Suspension, And Cleanse The Air, Ensuring Your Environment Is Fresh And Pollutant-free. Safety-first Design: Engineered With User Safety In Mind, The Ionizing Brush Is Strategically Placed Beneath A Protective Cover To Prevent Accidental Contact, Allowing For Worry-free Operation In Any Room Of Your Home Or Office. Cost-effective Air Purifying: Utilizing Advanced Negative Ion Technology, This Air Purifier Operates Without The Need For Replaceable Filters Or Consumables, Offering A Economical Solution For Air Purification While Reducing Ongoing Maintenance And Cost. Versatile And Compact: Perfectly Sized For Use In A Variety Of Settings, Including The Living Room, Bedroom, Kitchen, Bathroom, And Pet Areas. This Compact Ionizer Efficiently Improves Air Quality, Making It An Essential Addition To Your Home Or Workplace. Whisper-q