Specifications Model iKier D4Rated Current 3ARated Speed 5200rpm ± 10 Airflow Speed ≤22 5M SPower 180WPlug EU PlugFeatures 1 Designed for Laser Filtration The iKier D4 air purifier features a 3 layer filter design achieving a purification efficiency of up to 99 97 2 Brushless Motor for Quiet Operation The power system uses a single phase brushless motor for strong suction and quiet operation with noise levels ≤68DB 3 Adjustable Speed The electrical system incorporates our specially designed advanced modular circuit board allowing for multi level speed adjustments 4 Long Lifespan A single filter cartridge when replacing the initial and medium efficiency filters can continuously work for approximately 40 hours during normal laser cutting of wood providing long term effective protection 5 Easy to Replace The filter can be changed quickly within five minutes without disassembling any circuits in just three steps Package Included 1 D4 Air Purifier1 Adapter1 Hose1 Flange1 Screwdriver1 Primary Filter Cotton2 Hose Clamp1 Power Cord