DIY HEPA Filter over Time

Does the DIY purifier work? Test results (1, 2) give a conclusive answer, but this series of pictures gives a visceral answer. I took a picture of the HEPA about every seven days for four weeks. Glad that black gunk’s not stuck in my lungs instead.

1

In static form, here’s Week 0 and Week 5:

2

3


Free Guide to Breathing Safe

Want to learn more about breathing clean air? Join thousands more and stay up to date on protecting your health.

Subscribe
Notify of

0 Comments
Inline Feedbacks
View all comments
Who we are
Clean Air Social Enterprise
Smart Air is a certified B Corp on a global mission to make clean air accessible through science, education, and affordable air purification

Subscribe to our newsletter and be part of the clean air movement
The Sqair
Up to 36m² (387ft²)

A stylish, minimalist purifier that blends seamlessly into any modern home

SA600
Up to 60m² (645ft²)

Engineered with dual filters to deliver maximum air purification performance

The Sqair
Up to 36m² (387ft²)
CADR: 508 m³/h
New
SA600
Up to 60m² (645ft²)
CADR: 508 m³/h
Blast Mini Mk II
Up to 89m² (958ft²)
CADR: 743 m³/h
Blast Mk II
Up to 114m² (1,227ft²)
CADR: 950 m³/h

HEPA Filters

Remove PM2.5, PM10, dust, pollen, allergens, and viruses

Carbon Filters

Remove VOCs, smoke, formaldehyde, and odors

CO₂ Monitor

Measure CO₂, temperature, and relative humidity

HEPA Filters
Remove PM2.5, PM10, dust, pollen, allergens, and viruses
Carbon Filters
Remove VOCs, smoke, formaldehyde, and odors
Left Right
CO₂ Monitor
Measure CO₂, temperature, and relative humidity

Latest Articles

Smart Air low cost purifiers

Smart Air is a social enterprise and certified B Corp that offers simple, no-nonsense air purifiers and provides free education to protect people from the harms of air pollution.

Certified B-Corp air purifier company
Subscribe to Clean Air Newsletter

Be the first to know about air quality news, research, the latest clean air gadgets, and discounts. 🌎