Brisk Box Air Purifier (4-fan) — Video Assembly Guide
Video Guide
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The Brisk Box Air Purifier (4-Fan) offers higher airflow while maintaining quiet, energy-efficient performance for homes, classrooms, offices, and other shared indoor spaces.
Built with durable reusable panels and a simple tape-together design, the Brisk Box is designed for quick assembly while providing powerful air cleaning with widely available replacement filters.
Choose the option that works best for you:
Pre-Assembled Fan Panel – Fans arrive installed, so you only need to assemble the Brisk Box with your selected filters.
DIY Fan Assembly Kit – Assemble the fan panel yourself using the included hardware, then assemble the Brisk Box with your selected filters. Save $20 by choosing this option.
Assembly typically takes less than 10 minutes using the included instructions.
The Brisk Box uses four 1-inch filters, sold separately.
Compatible configurations include:
The compact configuration requires trimming the included coroplast panel.
Do not laser cut this product or its components.
| Configuration | Dust/Virus CADR | Smoke CADR | Pollen CADR | Power | Noise |
|---|---|---|---|---|---|
| Brisk Box Air Purifier (4-fan Corsi-Rosenthal Box) | 260 CFM | 260 CFM | 260 CFM | 8.2 W | 36.5 dBA |
Video Guide
Filter brand: 3M Filtrete
Filter size: 12 × 20 × 1
Compatible filters:
Compatible with standard 12 × 20 × 1 furnace filters. MERV 12, MERV 13, and MERV 14 filters may be used, though we recommend 3M Filtrete MERV 13 for the best balance of airflow, filtration efficiency, and purifier performance.
Replacement frequency: Replace every 6–12 months, or sooner depending on air quality, usage, and filter condition.
Replacement instructions:
Remove the existing filters and install the replacements with the airflow arrows pointing toward the fans. Ensure the filters are seated securely before operating the purifier.
Filter brand: 3M Filtrete
Filter size: 12 × 24 × 1
Compatible filters:
Compatible with standard 12 × 24 × 1 furnace filters. MERV 12, MERV 13, and MERV 14 filters may be used, though we recommend 3M Filtrete MERV 13 for the best balance of airflow, filtration efficiency, and purifier performance.
Replacement frequency: Replace every 6–12 months, or sooner depending on air quality, usage, and filter condition.
Replacement instructions:
Remove the existing filters and install the replacements with the airflow arrows pointing toward the fans. Ensure the filters are seated securely before operating the purifier.
Filter brand: 3M Filtrete
Filter size: 10 × 20 × 1
Compatible filters:
Compatible with standard 10 × 20 × 1 furnace filters. MERV 12, MERV 13, and MERV 14 filters may be used, though we recommend 3M Filtrete MERV 13 for the best balance of airflow, filtration efficiency, and purifier performance.
Replacement frequency: Replace every 6–12 months, or sooner depending on air quality, usage, and filter condition.
Replacement instructions:
Remove the existing filters and install the replacements with the airflow arrows pointing toward the fans. Ensure the filters are seated securely before operating the purifier.
Products are returnable within 30 days for a full refund, less $44 filter hygiene cost and shipping. Exchanges to other models with the same filter sizes are free, except for shipping; otherwise, $44 for new filters.
All products ship from Missouri via UPS according to an average rate per product (until the backend supports live rates accurately). Due to high demand and customizations, products may take up to two weeks to ship.
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