Compatibility - Compatible with RIGOGLIOSO GL2103 Air Purifier - Compatible with JINPUS GL2103 Air Purifier - Compatible with LTLKY 900S Air Purifier - Compatible with DHS Air Purifier - Compatible with MELEDEN Portable Air Purifier - Compatible with VTAR Desktop Air Purifier Filtration - 3-stage filtration: pre-filter, true HEPA filter, and activated carbon filter - 99.97% capture efficiency for dust, hair, pet hair, smoke, cooking odors, and other common airborne particles Value package - Three filters included to save money and extend purifier life - Filter dimensions: HEPA filter and activated carbon filter 4.2 in x 4.2 in x 0.8 in Easy to replace - Easy installation with no tools required - Simply remove the old filter and replace it in the filter unit when needed Use scenarios - In a family home with pets to reduce pet hair, dander, and odors - In a kitchen or dining area to minimize cooking smells and smoke - In an office or bedroom to maintain clean air and reduce dust buildup