Best Home Air Purifier Parts & Accessories Under $50 (2026)
We ranked under-(price varies) parts by a value score combining verified user ratings, filtration type (True HEPA/activated carbon), model compatibility, and pack size
This roundup covers high-value replacement filters and common accessory parts for home air purifiers priced under $50, focused on HEPA and activated-carbon options that restore filtration performance. Selections emphasize compatibility, filtration type (True HEPA, carbon pre-filters, post-filters), and verified user ratings to surface durable, cost-effective parts
Top Picks
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1
GermGuardian Genuine HEPA Replacement Filter for AC5000E & more
Genuine GermGuardian replacement filter with true HEPA, activated charcoal, and pre-filter to improve indoor air quality. Customers note easy install, good fit, and odor control benefits
- genuine part designed for specific units
- HEPA + activated charcoal filtration
- easy installation and fit
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2
Filter B Smoke Clear HEPA Replacement for AC4825 series
HEPA replacement filters and activated carbon pre-filters for select air purifier models. Easy to install and effective at cleaning dust and particles, with durable performance noted by users
- true HEPA filtration
- activated carbon pre-filters
- multiple model compatibility
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3
Core 300-P replacement filter for LEVOIT Core 300-P/Core 300S-P
Genuine replacement filter designed for LEVOIT Core 300-P and Core 300S-P purifiers. Helps maintain performance with HEPA-grade filtration and low noise in Sleep Mode. Customer note: easy to install and replace, with mixed feedback on odor control
- Genuine replacement filter
- HEPA-grade performance in Sleep Mode
- Designed for Core 300-P / Core 300S-P
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4
LEVOIT Core 300-P Replacement Filter for Core 300-P and Core 300S-P
Genuine LEVOIT replacement filter for Core 300-P / Core 300S-P. Maintains peak performance with HEPA-grade filtration in Sleep Mode and odor control. Customers note easy installation and quiet operation for sleep
- genuine LEVOIT filter
- sleep mode HEPA performance
- low-noise operation
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5
5 Pack C545 Replacement Filter for C545, post filter
Five-pack true post filter replacements compatible with C545 and part numbers 1712-0096-00 and 2522-0058-00. Improves air quality with post-filter capture; easy to install. Customers report good fit and value for money
- 5-pack post filters
- high particle capture efficiency
- easy installation
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6
isinlive Dyson HP01/HP02 filter replacement 2-pack
Replacement HEPA filters compatible with Dyson HP01/HP02/DP01/DP02 desk purifiers. Easy installation and cost savings compared to OEM options. Some customers note longevity varies
- compatible with multiple Dyson desk models
- 2-pack value
- easy installation
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7
Air Purifier HEPA Filter Replacement for Honeywell HPA Series (Funmit 6 Pack)
Six-pack true HEPA filter replacement designed for Honeywell HPA100/200/300/5000 series. Improves air quality and compatibility quality noted by users; some reports of fit issues with certain models
- six-pack replacement
- true HEPA filtration
- designed for Honeywell HPA series
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8
Kilo Pet Filter Replacement for Afloia KILO/MIRO Pro & More
Filtration cartridge compatible with Afloia KILO family and related models. Helps maintain air quality and odor control. Customers note easy installation and good value
- 4-stage filtration compatibility
- 2 pack option
- Pet dander odor reduction
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9
4 Pack C545 HEPA Filter for Winix C545
Four-pack True Post Filter compatible with Winix C545. Improves indoor air quality by capturing particles down to 0.3 microns. Customer sentiment notes easy installation and good value for money
- 4-pack replacement filters
- high-efficiency true post-filter
- particle capture 0.3 microns
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10
Core 300-P replacement filter for Levoit purifier (4-in-1 HEPA, carbon)
Replacement 4-in-1 filter compatible with Levoit Core 300 series purifiers. 4-stage filtration targets smoke, pet dander, and odors. Customers note easy installation and improved air quality
- 4-in-1 filtration
- easy installation
- affordable replacement