Shark HE400 Replacement Filter True HEPA Compatible with Shark HE400 HE401 HE402 HE405 Air Purifier 4 (Black), HE4FKPET

🍀Perfectly Compatible: Compatible with Shark air purifier 4 fan models, including HE400 HE401 HE402 HE405 UA415, replacement part number HE4FKBAS, 100356-chn-1 filter. 🍀Easy to Replace: Easy to install and remove without additional tools, replace the filter and new HEPA every 6 to 12 months for optimal performance. 🍀3-in-1 Filtration System: High quality H13 grade true HEPA filter + activated carbon filter + pre-filter, all-in-one design keeps the air fresh. 🍀High Efficiency Particulate Filtration: The H13 grade true HEPA filter can capture 99.97% of air particles as small as 0.3 microns, effectively filtering harmful substances in the air. 🍀Anti-odor: HEPA, pre-filter, and activated carbon filter prevent household odors caused by cooking, smoking, cleaning products, and more. 🍀Quality Guarantee: 100% money back or free new replacement for any quality defect, customer satisfaction is our top priority. 📦️Package Include: 1 air purifier replacement filter & 2 replaceable pre-filter. ❗Question 1: What model of Shark air purifier is this filter replacement package suitable for? What are the specific filters in this filter bag? Answer 1: This filter replacement package is suitable for the four fan models of Shark air purifiers, including HE400, HE401, HE402, HE405, and UA415. The filter bag includes an air purifier filter replacement and two replaceable pre filters. This filter system consists of high-quality H13 grade HEPA filters, activated carbon filters, and fine pre filters. Together, they can reduce particulate matter and odors in the air, improve indoor air quality, and are particularly suitable for pet owners, smokers, and urban residents. ❗Question 2: What are the maintenance and usage precautions for this filter replacement package? If the filter needs to be replaced, how do I reset the filter timing system? Answer 2: To ensure the high-performance operation of the Shark HE400 air purifier, it is recommended to replace the filter screen every 6-12 months. When the filter needs to be replaced, the FILTER LIFE button on the top of the control panel will flash. After installing the new filter, press and hold the FILTER LIFE button for 3 seconds to reset the filter timing system. When the filter screen is reset correctly and timed, the device will emit a beep. If there are any quality issues, you can contact us and we will reply within 24 hours.