Brisk Box Air Purifier (4-fan Corsi-Rosenthal Box)

The Brisk Box Air Purifier (4-fan Corsi-Rosenthal Box) offers higher airflow while maintaining quiet, energy-efficient performance that makes the Brisk Box a favorite for homes, classrooms, and offices. Built with durable reusable panels and a simple tape-together design, it also assembles in less than 10 minutes. Powered by four premium UL-registered Cooler Master Mobius 120P Black Edition fans, the Brisk Box delivers approximately 260 CADR (CFM) while remaining exceptionally quiet and energy efficient. The four-filter design maximizes airflow, improves efficiency, and helps extend filter life to approximately 18 months under typical use. Ideal for larger bedrooms, living rooms, classrooms, and offices, the Brisk Box provides enough clean air for up to 6 occupants (40 CFM per person) or spaces up to approximately 420 square feet. The four-fan design delivers performance approaching our previous six-fan SickleFlow version while using premium Mobius fans with an expected 200,000-hour MTTF bearing life. Choose Your Assembly Option Pre-Assembled Fan Panel – Fans arrive installed so you only need to tape on the filters. DIY Fan Assembly Kit – Save $20 by assembling the fan panel yourself using the included push pins, fan grills, cable harness, and zip ties. Compatible Filters (Sold Separately) The Brisk Box uses four 1-inch filters. Compatible options include: Four 12" × 20" × 1" filters Four 12" × 24" × 1" filters For a more compact square design, you can also build the kit using two 10" × 20" × 1" filters and two 12" × 20" × 1" filters by trimming the included coroplast panel. What's Included Reusable Brisk Box panels Four Cooler Master Mobius 120P Black Edition fans White duct tape 12V DC power supply Fan grills Push pins Cable harness Zip ties Assembly instructions