Filter Fit FinderWinix · air purifier
Winix P150 replacement filter
Use part 113050. Replace True HEPA every 12 months; carbon filter every 3 months.
The filter that fits
Maker lists this modelWinix Filter C
Winix Replacement Filter C
- Part number
- 113050
- How many
- 1 per unit
- How often
- Replace True HEPA every 12 months; carbon filter every 3 months
Opens an Amazon search for Winix Filter C 113050. Check the listing says 113050.
Does your exact model share this filter?
Winix labels several versions of the P150. Check the label on your unit.
- P150 takes 113050
- B151 same filter
Look-alike models that take a different filter
The P300 takes Filter A and the P450 takes Filter E.
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 winixamerica.com Maker's own page checked Oct 1, 2026
Filter C – 113050: Compatible with Winix air cleaner models P150 and B151
- How often winixamerica.com Maker's own page checked Oct 1, 2026
change the True HEPA Filter once every 12 months and the Carbon Filter once every 3 months
- What's in it winixamerica.com Maker's own page checked Oct 1, 2026
True-HEPA filtration ... 4 pack of disposable Activated Carbon Pre-filters