Blast Mini HEPA Filter
$114.50 $91.60
In stock
Replacement H13 HEPA filter for the Blast Mini air purifier. HEPA filters capture particulate pollution like PM2.5, dust and pollen. HEPA filters are the key to clean air, so make sure to replace them regularly. The Blast Mini HEPA can give you up to 13 months of clean air.
Blast Mini H13 HEPA Filter
Clean air in your home and office
The Blast Mini HEPA filter protects you from air pollution
Air pollution is a serious environmental and health issue. And it’s hard to escape – even our homes are filled with these dangerous microscopic particles.
The Blast Mini’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 Mini HEPA’s massive area captures 99.95% of pollutants
The Blast Mini HEPA filter is huge — 10 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 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 my Blast Mini HEPA filter?
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 3120 hours for the Blast Mini. This is roughly equal to 13 months at 8 hours of use every day.
High-speed setting | Low-speed setting | |
![]() Room size: 85m² |
12months
2,900 hours
|
13months
3,120 hours
|
![]() Room size: 130m² |
19months
4,600 hours
|
22months
5,280 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 Mini HEPA filter after the maximum hours of use.
At less than $120 for a year of clean air, the Blast Mini HEPA offers you the best prices for clean air.
Time to change the HEPA?
You’ll only need to change it every year or so, but we still try to keep things simple.

Your Purchase Includes | 1 × Blast Mini HEPA filter |
---|---|
Type | H13 grade (99.95%) |
Color | White with black rim |
Lifespan | 3120 hours, or 13 months at 8 hours a day |
Dimensions L x W x H (cm) | 57 x 7 x 57 |
Read more about how to dispose of a used HEPA filter here.

Additional information
Weight | 3.8 kg |
---|---|
Dimensions | 57 × 7 × 57 cm |
Brand | Smart Air |
Colour | Black |
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