Qatar Air Purifiers Market by Filter Type (Pre + HEPA, Pre + HEPA + AC, HEPA, Others (Pre-filter, HEPA + Ion & Ozone, HEPA + Electrostatic Precipitators, etc.)), By End Use (Residential, Commercial), By Distribution Channel (Supermarkets/Hypermarkets, Exclusive Stores, Multi-Branded Stores, Online and Others (Direct Sales, Distributor sales, etc.)), By Region, Competition, Forecast and Opportuniti