Best Home Air Purifier Parts & Accessories Under $50 (2026)
We selected parts under $50 that scored highly for value based on compatibility, filtration type (HEPA, MERV, activated carbon), user-rated reliability, and pack size
The Verdict
- Best Overall: GermGuardian Genuine HEPA Replacement Filter for AC5000E & more — Replacement-filter pick: genuine HEPA option useful for extending the life of compatible GermGuardian units
- Best Value: Filter B Smoke Clear HEPA Replacement for AC4825 series — Smoke-focused pick: HEPA plus activated carbon targeting smoke and odor reduction in AC4825-series units
Top Picks
-
1
Best Overall GermGuardian Genuine HEPA Replacement Filter for AC5000E & more
Replacement-filter pick: genuine HEPA option useful for extending the life of compatible GermGuardian units
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
-
2
AprilAire 410 Replacement Filter for Whole House Purifiers (MERV 11) 16x25x4
Whole-house pick: MERV 11 media for stronger filtration in compatible Aprilaire whole-house purifiers
Replacement filter for AprilAire whole house purifiers. Provides MERV 11 filtration for air quality and dust control. Customers report easy installation and reliable fit
- MERV 11 filtration
- USA-made genuine replacement
- Designed for multiple AprilAire models
-
3
Best Value Filter B Smoke Clear HEPA Replacement for AC4825 series
Smoke-focused pick: HEPA plus activated carbon targeting smoke and odor reduction in AC4825-series units
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
-
4
Core 300-P replacement filter for LEVOIT Core 300-P/Core 300S-P
Compact unit replacement: designed to fit Core 300-P/Core 300S-P models for routine HEPA refreshes
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
-
5
LEVOIT Core 300-P Replacement Filter for Core 300-P and Core 300S-P
Sleep-mode replacement: compatible HEPA media for Core 300-P/Core 300S-P units to maintain quiet performance
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
-
6
5 Pack C545 Replacement Filter for C545, post filter
Bulk post-filter option: five-pack post-filters to simplify periodic maintenance for C545-style purifiers
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
-
7
isinlive Dyson HP01/HP02 filter replacement 2-pack
Dual-pack fan-filter replacement: two-filter set compatible with Dyson HP01/HP02 to restore filtration performance
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
-
8
Air Purifier HEPA Filter Replacement for Honeywell HPA Series (Funmit 6 Pack)
Multi-pack compatible option: six HEPA replacements sized for Honeywell HPA-series models to stretch replacement cycles
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
-
9
Kilo Pet Filter Replacement for Afloia KILO/MIRO Pro & More
Pet-focused replacement: filter engineered for Afloia KILO/MIRO Pro and similar units to capture pet dander and hair
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
-
10
4 Pack C545 HEPA Filter for Winix C545
Winix maintenance pack: four HEPA post-filters intended for Winix C545 to keep filtration components current
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