Corsi-Rosenthal box: the best DIY value
The Corsi-Rosenthal box is a science-backed idea: passing air through a large filter area at low resistance captures far more particles per hour than a small single-panel purifier.
CleanAirKits refined the idea into a ready-built unit — quiet and neatly finished: a solid enclosure, a bank of quiet fans and genuine MERV-13 filters. The result is high-grade filtration and a lot of airflow, at a running cost you barely notice.
Luggable Ultra (5-Fan)
369 m³/h · <35 dB · MERV-13 · bedrooms
from 229 € · 10% with IRELAND10
Check price →Luggable XL Ultra (7-Fan)
681 m³/h · living rooms & open plan · MERV-13
from 279 € · 10% with IRELAND10
Check price →Luggable Carbon (4-Fan + Complete Kit)
MERV-13 + activated carbon · odours, VOCs, kitchens
299 € · 10% with IRELAND10
Check price →Now with 10% off
High-airflow MERV-13 units — quiet and cheap to run. Ships from the EU, no customs. Enter IRELAND10 (applied automatically via these links).
See the Luggable range →Frequently asked questions
Does a Corsi-Rosenthal box work?
Yes. Independent research shows a very high CADR for little money. The Luggable is the compact, quiet, ready-built version of the same idea.