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.

Assembly Options

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.

Filter Options

The Brisk Box uses four 1-inch filters, sold separately.

Compatible configurations include:

  • Four 12 × 20 × 1 filters
  • Four 12 × 24 × 1 filters
  • Two 10 × 20 × 1 filters and two 12 × 20 × 1 filters for a more compact square configuration

The compact configuration requires trimming the included coroplast panel.

Safety Note

Do not laser cut this product or its components.

  • High airflow with four premium Cooler Master Mobius fans
  • Quiet operation for continuous use
  • Energy-efficient design
  • Large four-filter design for efficient filtration
  • Uses standard replacement filters
  • Quick, simple assembly
  • Available with a pre-assembled fan panel or as a DIY fan assembly kit
  • Designed for small to medium indoor spaces

Specifications

What’s Included
  • Brisk Box enclosure
  • Four Cooler Master fans
  • 12V power supply
  • Selected MERV filters
  • Assembly hardware
  • Printed assembly instructions
Recommended Occupancy
6 people (40 CFM/person)
Fan Count
4
Fan Model
Cooler Master Mobius 120P Black Edition
Bearing Life
Approximately 200,000 hours MTTF (22 years)
Power Source
12V DC AC Power Adapter (included)
Installation
Assembly required. Includes assembly hardware and printed instructions.
Dimensions
1' x 1' footprint
Weight
5lbs
Filter Quantity
4
Filter Type / Grade
MERV 13 or higher
Warranty
1-Year Limited Warranty

Performance

ConfigurationDust/Virus CADRSmoke CADRPollen CADRPowerNoise
Brisk Box Air Purifier (4-fan Corsi-Rosenthal Box)260 CFM260 CFM260 CFM8.2 W36.5 dBA

Resources

Brisk Box Air Purifier (4-fan) — Video Assembly Guide

Video Guide

Step-by-step instructions for assembling your Brisk Box Air Purifier (4-fan).

Recommended Filters

3M Filtrete — 12 × 20 × 1

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.

We recommend 3M Filtrete MERV 13 filters because they provide an excellent balance of filtration efficiency and airflow. Compatible MERV 12 and MERV 14 filters may also be used depending on your filtration and airflow preferences.

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.

Replacement filters:

MERV 13 Replacement Filters

3M Filtrete — 12 × 24 × 1

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.

We recommend 3M Filtrete MERV 13 filters because they provide an excellent balance of filtration efficiency and airflow. Compatible MERV 12 and MERV 14 filters may also be used depending on your filtration and airflow preferences.

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.

Replacement filters:

MERV 13 Replacement Filters

3M Filtrete — 10 × 20 × 1

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.

We recommend 3M Filtrete MERV 13 filters because they provide an excellent balance of filtration efficiency and airflow. Compatible MERV 12 and MERV 14 filters may also be used depending on your filtration and airflow preferences.

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.

Replacement filters:

MERV 13 Replacement Filters

Return, Refund & Shipping

Return & Refund Policy

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.

Shipping Info

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.