PuroAir 400 HEPA Air Filter Replacement: Filters up to 99.9% of pollutants
Ever walked into a room and thought, 'Wow, the air feels... meh'? The PuroAir 400 Replacement HEPA Air Filter is here to change that. Designed specifically for the PuroAir 400 Air Purifier, it's like giving your lungs a best friend. With its 3-layer filtration system—yep, that's pre-filter, HEPA, and activated carbon—it tackles up to 99.9% of those pesky pollutants we'd rather not think about. Smoke, dust, pollen, pet dander, VOCs? Gone. 🏡
And here's the kicker: it's not just us saying it. Independent lab tests show this filter catches particles 700X smaller than a human hair. (Try not to think about how many of those you've probably inhaled.) Plus, with the 100 Day Clean Air Guarantee, it's basically a no-brainer. 😊
Swapping it out? A breeze—literally. Just pop it in, and you're good to go for another 3 months. Especially handy when the air outside decides to throw a tantrum. Need one? Need two? We've got you covered with 1 Pack or 2 Pack options. Because breathing clean air shouldn't be a luxury.
- 3-layer filtration system
- Lab tested for effectiveness
- 100 Day Clean Air Guarantee
- Easy to install
- Filters up to 99.9% of pollutants
General specs
- Brand: PuroAir
- Model: 400
- Seller: Amazon
- Item Weight: 1.67 pounds
- Product Dimensions: 16.85 x 2.45 x 12.5 inches
- Country of Origin: China
- Material Type: Polypropylene, Fiberglass, Polyurethane
- Included Components: PuroAir 400 Replacement HEPA Air Filter
- Compatible Device: PuroAir 400 Air Purifiers
- First listed by seller: 5/4/25
If you are interested in more details, you can find full information on the seller's page.
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Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
PuroAir 400 Filters up to 99.9% of pollutants
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PuroAir Puro-Air-HEPA-14 Filters 99.9% of pollutants
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PuroAir PA-240 White Proven to filter 99.9% of pollutants
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PETOX HP-14 Compatible with Puro Air 240
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PuroAir 400
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Air Purifier Filter High-efficiency filtration
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| Brand | PuroAir | PuroAir | PuroAir | PETOX | PuroAir | |
| Model | 400 | Puro-Air-HEPA-14 | PA-240 | HP-14 | 400 | Smart Air Purifier 4 Pro |
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| Rating |
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| Price | $55.00 | $48.00 | $75.00 | $30.99 | $489.00 | $48.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Gshopper |
| Update | June 27, 2025 | June 27, 2025 | June 27, 2025 | June 27, 2025 | June 29, 2025 | August 26, 2025 |
| Item Weight | 1.67 pounds | 12.5 ounces | 13.4 ounces | |||
| Product Dimensions | 16.85 x 2.45 x 12.5 inches | 7.6 x 6 x 7.6 inches | 7.6 x 6 x 7.6 inches | 17.5 x 10.6 x 12.5 inches | ||
| Country of Origin | China | China | China | China | ||
| Material Type | Polypropylene, Fiberglass, Polyurethane | Polypropylene, Fiberglass, Polyurethane | Fiberglass, Polypropylene, Polyurethane | |||
| Included Components | PuroAir 400 Replacement HEPA Air Filter | PuroAir 240 Replacement HEPA Air Filter | 2 PuroAir 240 Replacement HEPA Air Filters | |||
HEPA Air Filter Replacement
Mia A.
Toronto, ON
May 16, 2025
Before using this filter, the air in our apartment often felt stale and dusty, especially with all the cooking I do and having pets around. I'd notice sneezing and that general 'meh' feeling in the air. After installing it, the difference is amazing—the air is noticeably cleaner, and I don't have to worry about allergens as much. It's super effective at reducing smoke and odors from my kitchen experiments, and my husband has even commented on how much better the place smells. I'm really happy with how it performs and would definitely recommend it to others looking to improve their indoor air quality :)
- Pros: Super easy to swap out, just pop it in and it's ready to go. The air feels so much fresher and cleaner now, like a breath of fresh air after a storm. I love that it seems to catch even the tiniest particles, making our home feel healthier for my family, especially when I'm cooking and there's smoke or odors.
- Cons: Not bad, but it's a bit pricey compared to some other options, and I wish it lasted a bit longer before needing a replacement. Also, it seems a bit bulky to store when not in use.