Model: ST-HT
Dimension: 7.5*7.5*0.8'' (190*190*20 mm)
Lifetime: 1 year depends on the working time and environment
Maintenance: clean the HEPA every 3 months
HEPA: washable with warm water, capture 99.97% of particles as small as 0.3 microns and can also capture 95-99% of particle below 0.3 microns. The HEPA filter will allow your air purifier working more effectively.