Global Air Purifier Market By Mounting Type (Fixed Air Purifiers, Portable Air Purifiers); By Product Type (Upper Air Purifiers, In-duct Air Purifiers, Self-contained/Standalone Air Purifiers); By Technology (HEPA Filtration Air Purifiers, Activated Carbon Filter Air Purifiers, Ionic Filter Air Purifiers, Ultraviolet (UV) Technology Air Purifiers, Others); By End User (Residential Use, Commercial Use, Industrial Use); By Distribution Channel (Online, Offline) - Size, Share, Outlook, Opportunity, And Regional Forecast 2022 - 2030