PuroAir 400 Replacement Filter: HEPA filtration up to 99.9% of pollutants
For families managing allergies or simply wanting cleaner air, the PuroAir 400 replacement filter keeps your purifier running at peak performance. It's perfect for reducing sneezing fits during pollen season or eliminating cooking odors before guests arrive.
While many focus on air purification, this filter transforms your purifier into a tool for better sleep and daily comfort. The three-layer system—pre-filter, HEPA, and activated carbon—traps fine particles like pet dander and smoke, so you wake up feeling refreshed. In testing, it captured dust so fine it’s invisible, yet you’ll notice fewer surfaces needing dusting each week.
With easy installation and a 100-day guarantee, maintaining your indoor air quality is straightforward. Trust this genuine filter to deliver crisp, clean air consistently.
Features
- 3-layer system with pre-filter and activated carbon
- Filters particles as small as 0.1 micron
- Compatible with PuroAir 400 Air Purifier
- Recommended replacement every 90 days
- Energy Star and CARB certified
- HEPA filtration up to 99.9% of pollutants
General specs
- Brand: PuroAir
- Model: 400
- Seller: Amazon
- ID: B0C3GR2ZZ5
- Weight: 1.67
- Dimensions: 62.23, 317.5, 428.99
- Filter Type: HEPA, Activated Carbon
- Filtration Stages: 3
- First listed by seller: 5/4/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
| Date | Price |
|---|---|
| 11/9/25 | $64.99 |
| 5/4/25 | $55.00 |
Shipping options
Russia
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| Brand | PuroAir | PuroAir | PuroAir | Xiaomi | Musslan | |
| Model | 400 | PA-240 | Puro-Air-HEPA-14 | Smart Air Purifier 4 Pro | Air Purifier Filter | 211+ Filter Replacement |
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| Price | $64.99 | $75.00 | $48.00 | $48.99 | $35.70 | $51.57 |
| Seller | Amazon | Amazon | Amazon | Gshopper | Gshopper | Amazon |
| Update | Dec 6, 2025 | Dec 6, 2025 | Dec 6, 2025 | Jul 25, 2024 | Jul 25, 2024 | Dec 6, 2025 |
| Filter Type | HEPA, Activated Carbon | High-efficiency | HEPA with Activated Carbon | |||
| Item Weight | 13.4 ounces | 12.5 ounces | 4.84 pounds | |||
| Product Dimensions | 7.6 x 6 x 7.6 inches | 7.6 x 6 x 7.6 inches | 15 x 12 x 6 inches | |||
| Material Type | Fiberglass, Polypropylene, Polyurethane | Polypropylene, Fiberglass, Polyurethane | H13 HEPA | |||
| Included Components | 2 PuroAir 240 Replacement HEPA Air Filters | PuroAir 240 Replacement HEPA Air Filter | 211 HEPA Filter 2 Pack, 211+ HEPA Filter | |||
