Air Systems Breather Box 100 CFM Grade D Air Filtration Carbon Monoxide & Oxygen 4 Outlets 4 Regulators BB100-CO4R
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Air Systems Breather Box 100 CFM Grade D Air Filtration Carbon Monoxide & Oxygen 4 Outlets 4 Regulators BB100-CO4R
The Air Systems Breather Box BB100-CO4R is a portable Grade-D breathing air filtration system designed for industrial and safety applications requiring reliable respiratory protection. Equipped with advanced carbon monoxide and oxygen monitoring, this filtration unit delivers clean, breathable air to multiple users simultaneously, making it ideal for job sites where air quality and worker safety are critical.
Key features
- High-performance three-stage filtration with 99.99% efficiency at 0.01 micron
- Continuous digital monitoring of carbon monoxide (CO), oxygen (O2), and dew point levels
- Four independent regulators and four outlets to support multiple respirator users
- Auto-drain systems on first and second stage filters for bulk water, particulates, and oils
- Manual drain on third stage filter for removal of organic vapors and odors
- External audible alarm and light for high CO detection with remote alarm capability
- Designed for upright, closed operation to prevent internal contamination
- Portable design suitable for extending respirator use beyond 300 feet with Point-of-Attachment (POA) boxes
Ideal applications
- Industrial job sites requiring Grade-D breathing air quality
- Confined space entry and hazardous environment respiratory protection
- Construction, manufacturing, and maintenance operations with compressed air respirators
- Environments where continuous monitoring of CO and oxygen levels is essential
- Worksites needing multi-user air filtration with reliable regulator control
Why buyers choose this product
The Breather Box BB100-CO4R offers dependable air filtration combined with real-time gas monitoring, ensuring worker safety and compliance with breathing air standards. Its multiple regulators and outlets provide flexibility for team use, while the automatic and manual drain features reduce maintenance downtime. The audible and visual alarms enhance onsite awareness of air quality hazards, making it a practical solution for demanding industrial environments.
Specifications
| Brand | Air Systems International |
| Product type | Portable Grade-D breathing air filtration system |
| Filtration efficiency | 99.99% at 0.01 micron |
| Filtration stages | Three-stage filtration with auto and manual drains |
| Airflow capacity | 100 CFM |
| Outlets | 4 independent outlets |
| Regulators | 4 independent regulators |
| Monitoring | Digital CO, O2, and dew point monitor |
| Alarm system | External audible and light alarm with remote jack |
| Power options | 9-volt batteries, 8-16 volt DC, or 115 VAC |
| Operation position | Upright and closed to prevent contamination |
| Model | BB100-CO4R |
Additional product details
The Breather Box is engineered for durability and ease of use in industrial settings, providing continuous Grade-D air quality to respirator users. Its compact, portable design supports deployment across various job sites, while the integrated digital monitor ensures constant air quality assessment. The systems multi-stage filtration and automatic drain features minimize maintenance interruptions, enhancing operational efficiency.
This filtration system is an essential tool for workplaces demanding safe, monitored breathing air for multiple workers simultaneously.
MFG Part #: BB100-CO4R
| Product Type | Allegro |
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Shipping
We Ship Internationally - We can ship to virtually any address in the world, with some restrictions on certain products.
Standard Delivery: Ground shipping typically delivers in approximately 5 business days from our Columbus, OH warehouse.
Expedited Options Available:
- Priority and Expedited handling speeds up processing
- Overnight shipping available (guaranteed) - must order by phone before 12pm EST M-F
- Some items ship "Manufacturer Direct" and cannot be expedited
Important: Inspect your delivery before signing! Note any damage on the shipping document.
Returns Policy
30-Day Return Window: Most new, unopened items can be returned within 30 days for a full refund.
Non-Returnable Items:
- Made-to-order fall protection products
- Used vacuums, respirators, gas monitors, or air scrubbers
- Calibration gas (hazardous material)
- PAPR and specialty respiratory items (non-stock)
Restocking Fee: 30% restocking fee or shipping costs apply if return is due to buyer error.
Refund Timeline: Expect refunds within 4 weeks, though many are processed faster.

