Features:

• HEPA certified cartridge filter removes 99.97% of all particles greater than 0.3 micrometers from the air that passes through
• HEPA filters are beneficial for people with allergies and asthma since it traps the fine particles which trigger allergy and asthma symptoms
• Disposable pre-filter bag helps prolong the life of the HEPA cartridge filter
• Compatible with Vacmaster CLEVK811PH
• Includes (1) prefilter and (1) HEPA filter