Global Air Purifier Market By Technology (High Efficiency Particulate Air (HEPA), Activated Carbon, Ionic Filters, Electrostatic Precipitator, and Others), By Type (Stand-alone/Portable and In-duct/Fixed), By Connectivity (Smart and Non-smart), By Coverage Range (Below 250 Sq. Ft., 250-400 Sq. Ft., 401-700 Sq. Ft., and Above 700 Sq. Ft.), By End-User (Residential, Commercial, and Industrial), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2025-2035