Thank you for viewing! This is a high-performance air purifier for 20-tatami mats (approx. 360 sq ft), equipped with the latest 2025 innovative HEPA filter. It efficiently purifies air from all 360° directions, thoroughly removing pollen, pet hair, PM2.5, viruses, and unpleasant odors. 【Key Features】 • Latest 4-Stage Filtration System & 99.9% Removal Rate Four-layer structure: pre-filter, electrostatic HEPA filter, deodorizing filter, and negative ion layer. The filter area has been doubled compared to conventional models, capturing even minute particles. Ideal for allergy対策 and removing viruses and bacteria. • 360° All-Around Purification & 20-Tatami Mat Coverage The latest airflow technology circulates air throughout the room. Purification is completed in approximately 15 minutes for an 8-tatami mat room (approx. 144 sq ft). Suitable for living rooms, bedrooms, kitchens, entrances, and other locations. • Ultra-Quiet Sleep Mode & 4-Stage Fan Speed Adjustment Ultra-quiet operation of less than 20dB in sleep mode (the sound level of falling feathers). Safe for homes with babies and pets. You can freely switch between 4 fan speeds depending on the level of pollution and the situation. • Compact & Energy-Saving Design Slim design that can be placed on a tabletop and doesn't interfere with interior design. USB-powered for high energy-saving effects and a budget-friendly design. • Easy Maintenance The filter life lasts up to approximately 2 years (approximately 9 months as a replacement guide when used for 8 hours a day). Regular maintenance is simple: just vacuum the dust from the pre-filter once a month. 【Product Specifications】 • Brand: miaoyu • Size: Width 20cm × Depth 20cm × Height 36cm (approx. 7.9" x 7.9" x 14.2") • Weight: Approximately 1.46kg (approx. 3.2 lbs) • Coverage Area: Up to 20 tatami mats (approx. 360 sq ft) • Power: USB power cord (energy-saving specification) 【Product Condition】 Brand new, unused