Exact model stated by the manufacturer
Alen BreatheSmart 45i replacement filter
Documented OEM reference: BreatheSmart 45i & FLEX HEPA Filter · F10016/F10017/F10014
Wording is the page title; variants Essential (Pure), Advanced (Fresh), Ultimate (Odor).
Alen 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
- Alen BreatheSmart FLEX
One part listed for several models does not make those purifiers interchangeable.
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Use this text to cite the page. The last-updated date is the date of the latest change to its content.
Filter Ledger. “US Alen BreatheSmart 45i Replacement Filter”. https://filters.toolatlas.app/en-us/filters/alen-breathesmart-45i/. Last updated October 23, 2026.