Blast Mini HEPA Filter

৳ 15,000.00

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 Mini air purifier.


Blast Mini H13 HEPA Filter

Cleaner air in your home and office

The Blast Mini HEPA filter 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 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!







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!


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?

Bangladesh, and especially Dhaka, has one of the highest air pollution levels in the world.

Because of severe air pollution levels in Bangladesh the Blast Mini HEPA filter lifetime is less than in other countries. We recommend replacing your filter after 12 months of use (at 8 hours a day) at the latest. That’s maximum 2,900 hours in total; this is the amount of time you can run your Blast air purifier before needing to change your filters.

However, you should still check your HEPA filter at regular intervals. Use our filter lifetime calculator to determine when to change your HEPA filter.

We know that buying new HEPA filters is a significant recurring cost, so we do our best to keep prices low.

High speed setting Low speed setting

Room size: 85m²

2,680 hours
2,900 hours

Room size: 130m²

3,270 hours
3,800 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 BDT 15,000 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 tried to keep things simple.

Your Purchase Includes 1 × Blast Mini HEPA filter
Type H13 grade (99.95%)
Colour White with black rim
Lifespan 2900 hours, or 12 months at 8 hours a day (in Bangladesh)
Dimensions L × W × H (cm) 57 × 7 × 57

Additional information

Weight 3.8 kg
Dimensions 60 × 60 × 9 cm


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