Alen 75i Filter, Essential (Pure) (B7 Pure)

Fits these models

• Alen BreatheSmart 75i

Part numbers

Genuine part

B7 Pure

Also listed as

F20011

Packs

F20611 (6-pack)

How often

Replace every 12-15 months

What is in it

Prefilter (attached); Medical-grade HEPA

Sources

• Which filter fits alen.com Maker's own page checked Oct 1, 2026

  BreatheSmart 75i HEPA Filter ... Our entry-level filter. Features a medical-grade HEPA filter that captures 99.9% of airborne dust, viruses, and allergens. (Formerly B7 Pure)

• How many web.archive.org Maker's archived page checked Oct 1, 2026

  Page for the BreatheSmart 75i (per its URL): Removed the used filter by pulling out and down on the pull loop ... Take new filter out of the plastic bag, insert the bottom and firmly push the top of the filter frame until it clicks into place (archive.org copy of 2025-09-05)

• How often alen.com Maker's own page checked Oct 1, 2026

  Purifier includes filter rated for: 12-15 months

• What's in it alen.com Maker's own page checked Oct 1, 2026

  The 75i filters come with a prefilter already attached.

• Packs alen.com Maker's own page checked Oct 1, 2026

  BreatheSmart 75i Filters 6 Pack variants: Essential (Pure) F20611; Advanced (Fresh) F20612; Ultimate (Odor) F20615