Filter Fit FinderHamilton Beach · air purifier
Hamilton Beach TrueAir 04381 replacement filter
Use part 04712. Used continuously, may need replacing after 1 month; used occasionally, may last up to 4 months.
The filter that fits
Maker lists this modelHamilton Beach Filter 04712
Hamilton Beach TrueAir Allergen Reducer Filter 04712
- Part number
- 04712
- How many
- 1 per unit
- How often
- Used continuously, may need replacing after 1 month; used occasionally, may last up to 4 months
Opens an Amazon search for Hamilton Beach Filter 04712. Check the listing says 04712.
Look-alike models that take a different filter
The smaller TrueAir 04371 takes filter 04711, not 04712.
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 useandcares.hamiltonbeach.com Maker's own page checked Oct 1, 2026
Use and Care manual 840117900, page 5: "Purifier Model ... Filter: 04371 110 ft2 04711; 04381 210 ft2 04712"
- How many useandcares.hamiltonbeach.com Maker's own page checked Oct 1, 2026
Page 5: "The filter is packed in a plastic bag inside the Allergen Reducer for shipping."
- How often useandcares.hamiltonbeach.com Maker's own page checked Oct 1, 2026
Page 5: "If the Allergen Reducer is used continuously, it may need to be replaced after 1 month. If only used occasionally, it may last up to 4 months."