Does triple the work to clear the air. This genuine Levoit LV-H132 Air Purifier Filter employs a three-stage filtration including Fine Preliminary， True HEPA and Activated Carbon filters to remove 99.97% of dust， allergens， bacteria and odors Easy， efficient， refreshing. The control panel is intuitive， and it's even easy to set up. Simply rotate the filter cover off， remove any existing filters， clean out any particles inside， then place the new filter in (after removing it from its packaging). Make sure the tabs are facing outward. Secure the lid until the arrows on either side align Replace the filter every 6 months to optimize its work. To do its best work， the Levoit Air Purifier recommends changing the filter every 6-months， after it's been accumulating odors， particles， allergens， mold spores， etc. Package Contents1 x Fine Preliminary1 x True HEPA/Activated Carbon Filter.

Genuine levoit LV-H132 air purifier filter: use only genuine Levoit LV-H132 replacement filters to keep your air purifier at its best working condition and capacity note: please remove the plastic bag of the filter before running the air purifier failure to do so may cause damage to the unit

Three-stage filtration system: fine preliminary， true hepa filter and activated carbon filter it removes 99.97% of dust， pollen， smoke， odor， mold spores， and pet dander it filters particles as small as 0.3 microns and larger it also filters air pollution of pm 2

Protect your respiratory system: perfect for those who are sensitive to the surrounding air quality it will not release hazardous substances or ozone

Properly sealed: filters are sealed to protect their lifetime it is recommended to replace air filters every 6 months remove filters from plastic packaging before placing them into air purifier

Buy with confidence: 100% satisfaction guaranteed if you need additional assistance， contact the helpful levoit support