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Shark HC503 replacement filter

Documented OEM reference: Shark Air Purifier Anti-Allergen Filter with True HEPA · HE1FKBAS / Shark Air Purifier MAX Anti-Allergen Filter with True HEPA · HE2FKBAS

Listed on 2 US filter pages: HE1FKBAS, HE2FKBAS; source/quote is from HE1FKBAS. Appears on both the HE1FKBAS (Air Purifier) and HE2FKBAS (MAX) lists, which conflict.

Limits. Does not establish fit for regional variants (UK/CA suffixes) or performance; sharkninja.com listing only. Shark lists this model on two different filter-kit pages (HE1FKBAS and HE2FKBAS); check the kit code on your unit.

Shark official product page · US ↗

Source market: US · Checked 2026-10-20. No stock, price, or seller claim is made. Fit is not filtration performance.

Other models listed for the same part

Shark HC502
Shark HC502C
Shark HC504
Shark HC505
Shark UA505

One part listed for several models does not make those purifiers interchangeable.

Check the full model label in the finder →

Related guides

Shark

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Cite this page

Use this text to cite the page. The last-updated date is the date of the latest change to its content.

Filter Ledger. “US Shark HC503 Replacement Filter”. https://filters.toolatlas.app/en-us/filters/shark-hc503/. Last updated October 23, 2026.