Filter Fit FinderShark · air purifier
Shark Air Purifier 4 HE401 replacement filter
Use part HE4FKBAS. Replace every 6 to 12 months.
The filter that fits
Maker lists this modelShark HE4FKBAS filter
Shark Air Purifier 4-Fan Anti-Allergen NANOSEAL Filter with True HEPA
- Part number
- HE4FKBAS
- How many
- 1 per unit
- How often
- Replace every 6 to 12 months
Opens an Amazon search for Shark HE4FKBAS filter. Check the listing says HE4FKBAS.
Does your exact model share this filter?
Shark labels several versions of the Air Purifier 4 HE401. Check the label on your unit.
- Air Purifier 4 HE401 takes HE4FKBAS
- HE400 same filter
- HE401C same filter
- HE401NP same filter
- HE402 same filter
- HE402C same filter
- HE405 same filter
- UA415 same filter
Look-alike models that take a different filter
The 6-fan Air Purifier 6 (HE601, HE602) takes the larger HE6FKBAS filter.
Other genuine options from Shark
Variants and kits the maker sells for this model. Same fit, different media or packaging.
- Air Purifier 4-Fan Anti-Allergen HEPA Filter with Advanced Odor Lock
HE4FKPET · Find on Amazon
Sources
High confidence: the manufacturer names this exact model on a live page. Each line is the page we read and the day we read it.
- Which filter fits sharkninja.com Maker's own page checked Oct 1, 2026
Model: HE4FKBAS ... Compatible with: HE400, HE401, HE401C, HE401NP, HE402, HE402C, HE405, UA415 ... Compatible with Shark Air Purifier 4-Fan Models (HE401, HE400, HE402, HE405).
- How often sharkninja.com Maker's own page checked Oct 1, 2026
Replace filter every 6 to 12 months.
- What's in it sharkninja.com Maker's own page checked Oct 1, 2026
NANOSEAL Filter with true HEPA ... An odor guard on the filter protects against household odors and VOCs.
- Other genuine options sharkninja.com Maker's own page checked Oct 1, 2026
Model: HE4FKPET, Air Purifier 4-Fan Anti-Allergen HEPA Filter with Advanced Odor Lock ... Compatible with: HE400, HE401, HE401C, HE401NP, HE402, HE402C, HE405, UA415