Air Systems Breather Box 100 CFM Grade D Air Filtration Carbon Monoxide 4 Outlets Intrinsically Safe BB100-COIS
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Air Systems Breather Box 100 CFM Grade D Air Filtration Carbon Monoxide 4 Outlets Intrinsically Safe BB100-COIS
The Air Systems Breather Box BB100-COIS is a portable Grade-D breathing air filtration system designed for industrial safety and respiratory protection. Ideal for worksites requiring clean, monitored breathing air, this system delivers 100 CFM of filtered air with carbon monoxide detection and four outlet couplings. Its intrinsically safe design ensures reliable performance in hazardous environments.
Key features
- Three-stage filtration with 99.99% efficiency at 0.01 micron
- Carbon monoxide monitor with audible and visual alarms for worker safety
- Four outlet couplings to support multiple respirator users simultaneously
- Auto-drain on bulk water and coalescing filters, manual drain on organic vapor filter
- Portable and designed for upright, closed operation to prevent contamination
- Intrinsically safe operation powered by 9 VDC, 8-16 VDC, or 115 VAC
- Remote alarm jack for extended safety monitoring
Ideal applications
- Industrial job sites requiring Grade-D breathing air
- Confined space entry and hazardous environments
- Construction, manufacturing, and maintenance operations
- Respirator air supply for multiple workers
- Environments with potential carbon monoxide exposure
Why buyers choose this product
The BB100-COIS offers dependable air filtration with integrated carbon monoxide monitoring, enhancing worker safety and compliance. Its multi-stage filtration system ensures clean, breathable air, while the portable design and multiple outlet couplings improve usability and efficiency on demanding industrial sites.
Specifications
| Brand | Air Systems International |
| Product type | Portable Grade-D breathing air filtration system |
| Filtration capacity | 100 CFM |
| Filtration efficiency | 99.99% @ 0.01 micron |
| Filtration stages | Three-stage (bulk water/particulate, coalescing filter, organic vapor filter) |
| Carbon monoxide monitoring | Standard with audible and visual alarms |
| Power options | 9 VDC disposable battery, 8-16 VDC, or 115 VAC |
| Outlet couplings | 4 |
| Safety rating | Intrinsically safe |
| Alarm features | External audible alarm, light signals, remote alarm jack |
Additional product details
The Breather Box is engineered for upright, closed use to prevent internal contamination and maximize air quality. Its auto-drain features on the first two filtration stages reduce maintenance, while filter change indicators provide timely alerts. Designed for industrial environments, it supports extended respirator use with point-of-attachment options.
This system is an essential solution for delivering clean, monitored Grade-D breathing air to multiple workers in safety-critical applications.
MFG Part #: BB100-COIS
| Product Type | Allegro |
|---|
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.

