Blueair Blue Pure 311i Max Air Purifier

The Blueair Blue Pure 311i Max brings powerful, near-silent HEPASilent purification to bedrooms, home offices and mid-size living rooms, with smart auto mode and Wi-Fi app control in a compact, place-anywhere design.Key Features Cleans 925 sq ft in 30 minutes – ideal for medium-to-large rooms HEPASilent technology – electrostatic + mechanical filtration removes 99.97% of airborne particles such as pollen, dust, smoke, pet dander, viruses and bacteria Particle + Carbon filter – activated carbon layer reduces everyday odours and gases Washable fabric pre-filter – traps larger particles and extends main filter life 360° air intake – compact cylinder works anywhere in the room Auto mode – PM2.5 sensor adjusts fan speed automatically; 5-colour air-quality indicator Ultra-quiet – from 23 dB in night mode Blueair app (Wi-Fi) – schedules, remote control, filter tracking; Alexa and Google Assistant compatible Specifications Model Blue Pure 311i Max Recommended room size 925 sq ft (purification in 30 minutes) Sound level 23 – 50 dB Filter type Particle + Carbon (HEPASilent), washable pre-filter Sensor PM2.5 Modes Auto, Night, 3 fan speeds Connectivity Wi-Fi, Blueair app, voice assistants Warranty 1 year