Room Size Purifiers
Choose a bedroom or large-room purifier by comparing CADR, coverage claims, noise, airflow, and filter upkeep before you overbuy.
PuroAir 400 Replacement Filter
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: Retailer
- ID: B0C3GR2ZZ5
- Weight: 1.67
- Dimensions: 62.23, 317.5, 428.99
- Filter Type: HEPA, Activated Carbon
- Filtration Stages: 3
- First listed by seller: May 4, 2025
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | PuroAir | PuroAir | PuroAir | Xiaomi | Xiaomi | |
| Model | 400 | PA-240 | Puro-Air-HEPA-14 | Smart Air Purifier 4 Pro | 4 Compact | Air Purifier Filter |
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| Rating |
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| Price | RUB 5,087.63 | RUB 5,870.46 | RUB 4,304.80 | RUB 3,835.10 | RUB 3,960.00 | RUB 2,794.71 |
| Seller | Retailer | Retailer | Retailer | Gshopper | Joom | Gshopper |
| Update | Mar 21, 2026 | May 11, 2026 | Mar 21, 2026 | Jul 25, 2024 | Jun 24, 2026 | Jul 25, 2024 |
| Filter Type | HEPA, Activated Carbon | High-efficiency | HEPA with Activated Carbon | |||
PuroAir 400 White HEPA filtration up to 99.9% of pollutants
RUB 5,087.63
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