CR Box UK (Corsi-Rosenthal Box)
CR Box is the popular name for the Corsi-Rosenthal Box - a scientifically-proven DIY air purifier used throughout UK and Europe.
- Also called Corsi-Rosenthal Box
- CADR 300-600 CFM
- Popular across Europe
- UK delivery available
- Energy Star components
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Build your own high-performance air purifier with our Energy Star 2025 certified DIY kits. Save 60-70% vs commercial units with proven Corsi-Rosenthal Box design.