KEY FEATURES 16Kpa & Dual Roller Brushes: This upgraded mattress vacuum cleaner is equipped with 16Kpa strong suction and 500W power, with innovative dual metal roller brushes and enlarged 8. 4000Hz Ultrasonic & 254nm UV: The bed vacuum cleaner is equipped with 4000Hz ultrasonic waves and 254nm UV rays, which can deeply remove otherwise invisible harmful substances from mattresses, pillows and other fabric products to protect your family's health. 5 Stage Filtration System: Five-filter...