Filter Fit FinderAlen · air purifier filter
Alen BF15A-Pure
A350 and A375 HEPA Filter. Part BF15A-Pure. Replace every 6 to 12 months. Fits 1 model and their listed variants.
Opens an Amazon search for Alen BF15A-Pure. Check the listing says BF15A-Pure.
Fits these models
- Alen A350 A375
Part numbers
- Genuine part
- BF15A-Pure
- Also listed as
- F00001
- How often
- Replace every 6 to 12 months
- What is in it
- Prefilter (black mesh layer); HEPA-type filter
Sources
- Which filter fits alen.com Maker's own page checked Oct 1, 2026
A350 and A375 HEPA Filter ... A350 - BF15A-Pure ... Fits Model: A350 and A375
- How many web.archive.org Maker's archived page checked Oct 1, 2026
Page for the A350 (per its URL): Remove the used filter by lifting the pull string ... Take the new filter out of the plastic bag and insert it into the air cleaner with the arrow pointing inward (archive.org copy of 2025-10-09)
- How often alen.com Maker's own page checked Oct 1, 2026
Long-Lasting: Enjoy 6 to 12 months of pure air
- What's in it web.archive.org Maker's archived page checked Oct 1, 2026
The front side has the black mesh layer, known as the prefilter, which should be facing out
Show all 5 sources
Which filter fits
- alen.com Maker's own page checked Oct 1, 2026
A350 and A375 HEPA Filter ... A350 - BF15A-Pure ... Fits Model: A350 and A375
- alen.com Maker's own page checked Oct 1, 2026
A350 and A375 HEPA Filter variant: Pure F00001
How many
- web.archive.org Maker's archived page checked Oct 1, 2026
Page for the A350 (per its URL): Remove the used filter by lifting the pull string ... Take the new filter out of the plastic bag and insert it into the air cleaner with the arrow pointing inward (archive.org copy of 2025-10-09)
How often
- alen.com Maker's own page checked Oct 1, 2026
Long-Lasting: Enjoy 6 to 12 months of pure air
What's in it
- web.archive.org Maker's archived page checked Oct 1, 2026
The front side has the black mesh layer, known as the prefilter, which should be facing out