HE401 Replacement Filter for Shark Air Purifier 4 Fan Model

Perfect Compatibility: Musslan HE401 Filter Compatible with Shark Air Purifier 4 Fan Models HE400, HE401, HE401C, HE401NP, HE402, HE402C, HE405, UA415 | 3 Stage Filter System: H13 ture HEPA Filter, Pre-filter, and Activat-ed Car-bon filter | Premium Quality: The HE401 filter is constructed with premium HEPA H13 to improve the performance of HE400 HE401 Air Purifier | Our HE400 HE401 filter replacement is perfect for home and office area, 99.97% filtration efficiency | Easy to Install: We recommend you to replace your HE401 filter every 5-8 months for optimal performance.