Air Purifier Air Purifier Filters | indoorair.guide

Technical database of HEPA and activated-carbon filter specifications for air purifiers sold in India. Compare grades, test standards, media types, and replacement intervals side by side.

• HEPA grades H11–H14 against EN 1822 test efficiencies
• Glass-fibre vs electrostatic media — flags ozone-emitting types
• Activated carbon mass (grams), impregnation, and target gases
• Manufacturer-stated filter life vs realistic Indian replacement intervals
• Cross-references models that share the same filter cartridge