Blast HEPA Filter
৳ 22,500.00
HEPA filters capture particulate pollution like PM2.5 and pollen, and are the key to clean air. This is the replacement HEPA filter for the Blast air purifier.
Description
Blast H13 HEPA Filter
Cleaner air in your office and hospitals
The Blast HEPA protects you from Bangladesh’s pollution
Bangladesh air is filled with pollutants that are harmful to our health. Air pollution is hard to escape – even our homes are filled with these dangerous microscopic particles.
The Blast’s HEPA filter effectively traps particles like PM2.5, dust, pet fur, viruses and mold. You won’t have to worry about your allergies or asthma any longer!
 PM2.5 |
 Dust |
 Viruses |
 Allergens |
 Pollen |
 Mold |
Blast HEPA’s massive area captures 99.95% of pollutants
The Blast HEPA filter is huge — 20 times the size of our Original DIY HEPAs.
We tested over 10 different HEPA materials before deciding on using an H13, 99.95% grade HEPA filter. That means it can capture 99.95% of those particles above (and below) 0.3 microns!
H13
HEPA Grade
Are HEPA filters effective against COVID?
A common concern is whether HEPA filters can filter viruses like the COVID-19 coronavirus. HEPA filters removes particles greater than or equal to 0.3 microns, but virus particles are smaller. The coronavirus measures 0.06 to 0.14 microns in diameter. Are air purifiers then powerless against viruses?
Actually, HEPA filters actually work great at capturing viruses. This is because a HEPA filter works not like a net, but through a process called diffusion. Learn more about how this works here.
How often should I change the HEPA?
We tested a HEPA in real Beijing air for 200 days to get a sense of how long HEPAs last in real Beijing air.
Based on that data, Paddy estimated a HEPA lifespan of 5280 hours for the Blast. This is roughly equal to 22 months at 8 hours of use every day. With Bangladesh’s air quality roughly comparable to Beijing, you can rest assured that these numbers will not vary much in Bangladesh.
| High speed setting | Low speed setting | |
Room size: 130m² |
19months
4,600 hours
|
22months
5,280 hours
|
Room size: 85m² |
12months
2,900 hours
|
13months
3,100 hours
|
Can I wash a dirty HEPA filter?
Unfortunately not. We ran experiments to test this and found that washing HEPA filters does not prolong their lifespan. In fact, washing HEPA filters with water actually decreases performance. That’s why we recommend you replace your Blast HEPA filter after the maximum hours of use.
At 19,500 Takas for two years of clean air, the Blast HEPA offers you the best prices for clean air.
Time to change the HEPA?
You’ll only need to change it every 22 months, but we still tried to keep things simple.
| Your Purchase Includes | 1 × Blast HEPA filter |
|---|---|
| Type | H13 grade (99.95%) |
| Colour | White with black rim |
| Lifespan | 5280 hours, or 22 months at 8 hours a day |
| Dimensions L × W × H (cm） | 57 × 7 × 117 |
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Additional information
| Weight | 6.8 kg |
|---|---|
| Dimensions | 119 × 60 × 9 cm |
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