Leemone 2 Pack Filter Replacement for Shark Air Purifier 4, Compatible with Shark HE400, HE401, HE401C, HE401NP, HE402, HE402C, HE405, UA415, Compare Part No. HE4FKBAS, HE4FKPET, HE4FKPETMB, HE4FKPRO

Leemone air purifier 4 filter replacement Compatible with: He400 He401 HE402 HE405 Package Includes: 2 × air purifier 4 filter replacement 4 × Replaceable Pre-Filter Steps for replacing shark air purifier 4 filter 1. Turn off the unit and unplug it before removing or installing filters. 2. Remove the back cover from the unit by pressing the tabs at the top, then pulling the cover toward you. 3. To remove the old filter from the unit, pull it out by the tab near the top. Place the old filter in a trash bag and dispose of it. 4. Remove all packaging and wrapping from the new filter. 5.Attach the replaceable pre-filter to the side of the filter with Velcro. 6. Insert the new filter, then replace the filter cover. Press the top of the filter cover, then the sides, until it clicks into place. 7. Plug the unit back into the outlet and turn it back on to begin calibration. 8. After installing a new filter, press and hold the FILTER LIFE button on the top control panel for 3 seconds to reset the filter timing system. The unit will beep when filter timing is properly reset. NOTE: This is not a Shark OEM product. The brand names and logos are the registered trademarks of their respective owners. Any use of the brand name or model designation for this product is made solely for purposes of demonstrating compatibility.