Water Purifier Market Size, Share & COVID-19 Impact Analysis, By Product Type (Point-of-use Filters {Under the Counter Filters, Counter Top Filters, Pitcher Filters, Faucet-mounted Filters, and Others} and Point-of-entry Filters), By Category (RO Filters, UV Filters, Gravity Filters, and Others), By Application (Residential and Light Commercial), and Regional Forecast, 2023-2030