Specifications:

• Compatible Models 4 Air Purifier Replacement Filters: HE401 filter replacement is compatible with Shark 4 fan models (HE401, HE400, HE402, HE405). Compared to part #HE4FKPET. Please check your purifier model before placing an order.
• 3-Stage Filtration System: HE401 Filter for Shark Air Purifier 4 Replacement Filters with H13 True HEPA, Pre-Filter and Activated Carbon Filter protects against household odors caused by cooking, smoking, cleaning products and more.
• H13 True HEPA Filter: High quality H13 HE401 HE402 True HEPA Filter for Shark Air Purifier 4 replacement filters effectively improve the quality of your home.
• Easy to remove and replace, easy to install, without other tools, you can do it yourself in a short time. We recommend replacing the HE401 filter's Hepa filter every 6 to 12 months for optimal performance.

HE401 Replacement Filter for Shark 4 Air Purifier, Compatible with Shark 4 Air Purifier HE401 HE402 HE405 HE400, H13 True HEPA Filter for Shark HE4FKPETk Filter