MERV 13 Filter
MERV 13 rated filters provide excellent particle capture for residential air purification.
At Clean Air Kits, we've developed premium DIY air purifier kits based on the proven Corsi-Rosenthal Box design. Our kits are Energy Star 2026 certified and independently tested to be 2.4x more efficient than commercial alternatives like Dyson.
Why Clean Air Kits Are the Best Choice
True H13 HEPA Filtration
Unlike competitors using MERV filters, our kits use genuine H13 HEPA filters that capture 99.95% of particles. Learn about EN 1822 standards →
Proven Performance
Independent lab tests by HouseFresh confirm CADR ratings of 369-550 m³/hr at only 39dB. Read expert reviews →
EU Compliant
Meets all EU safety and quality standards including CE marking. EU Air Quality Directive compliance →
- 85% particle capture
- Virus-sized filtration
- Affordable option
- Widely available
- Recommended by CDC
How Our DIY Air Purifier Works
Air Quality Across Europe
Air pollution affects millions across the EU. Our purifiers are helping families breathe cleaner air in major cities.
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Build a Corsi-Rosenthal Box from £144 — 30-min assembly, free UK shipping (2-3 days). HEPA H13 removes 99.97% of viruses, pollen & PM2.5. Energy Star 2026 certified. Trusted by NHS, schools & offices.
Free shipping across UK & EU | 30-day returns | Contact us