Brisk Box Ultra Air Purifier (8-Fan) — Video Assembly Guide
Video Guide
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The Brisk Box Ultra Air Purifier (8-Fan) is designed for powerful, energy-efficient air cleaning in large rooms, classrooms, offices, workshops, and other shared indoor spaces.
Its durable, reusable design features a compact rectangular footprint and a no-tape assembly system that makes it easy to assemble, break down, transport, and store.
Choose the option that works best for you:
UL-Certified Version – Includes the fan plate pre-assembled for quick final assembly.
STEM Kit – Assemble the purifier yourself using the same no-tape process as our factory.
Assembly takes approximately 10 minutes. Durable corner extrusions with hook-and-loop fasteners provide a secure, reusable assembly without tape.
Step-by-step video assembly guides and printable instructions are available to help make assembly simple.
The Brisk Box Ultra uses two 1-inch filters, sold separately.
Compatible sizes include:
Compatible 3M Filtrete options include MPR 1900, MPR 2500, and MPR 1600. Equivalent 1-inch MERV 13 filters may also be used.
Brisk Box Ultra panels are precision laser-cut from durable ¼-inch black melamine, providing a rigid, long-lasting structure with a finished appearance.
| Configuration | Dust/Virus CADR | Smoke CADR | Pollen CADR | Power | Noise |
|---|---|---|---|---|---|
| Brisk Box Ultra Air Purifier (8-Fan Corsi-Rosenthal Box) | 441 | 370 | 450 | 16 | 48 |
Video Guide
Video Guide
Filter brand: 3M Filtrete
Filter size: 20 × 25 × 1
Compatible filters:
Compatible with standard 20 × 25 × 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. Reinstall the filter retainers and ensure the filters are seated securely before operating the purifier.
Filter brand: 3M Filtrete
Filter size: 14 × 25 × 1
Compatible filters:
Compatible with standard 14 × 25 × 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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