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Bullard CAB50IRHA5 Clean Air Box Grade D Breathing Filtration System
Bullard CAB50IRHA Clean Air Box Breathing Filtration System
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Bullard CAB50IRHA5 Clean Air Box Grade D Breathing Filtration System

Bullard CAB50IRHA5 provides 3 stage breathing air filtration & (CO) carbon monoxide monitoring to help meet OSHA requirements.

The Bullard Clean Air Box provides unsurpassed grade D breathing air filtration for OSHA requirements for workers using airline respirators.

3 Stage Clean Air Box Filtration

3 filtration stages remove particulate, water, odors, oil vapor, and oil.

  • 50 CFM, 5 outlets and independent regulators
  • The first stage filter element removes 95 percent of solid contaminants & bulk liquids from breathing air down to 5 microns which prolongs the lifespan of the 2nd and 3rd stage elements
  • The high efficiency second stage filter element will remove particulates & very fine oil mist down to 0.01 microns. Maximum oil content remaining is less than .01ppm by weight. Automatic drain included. 99.9998 percent filter efficiency
  • The second stage activated charcoal element will remove unpleasant oil, hydrocarbon vapors & odors
Bullard CAB50IRHA5 Features 3 Stages Of Grade D Breathing Air Filtration
Bullard CAB50IRHA5 Features
  • Rugged polycarbonate Pelican case
  • Auto condensate drains increase life of filter element
  • Independent regulators
  • Visual filter change indicator
  • Replacement filters have compatibility with various filtration panel brands
  • Auto calibration in under 90 sec. - no tools needed
  • High intensity 90dB alarm - remote capable w/ strobe
  • Self contained with over 80 hrs. of operation with 8 AA size batteries
  • 110 Volts AC power cord included
Bullard CAB50IRHA5 Clean Air Box Is Housed In A Rugged Pelican Case

Bullard CAB50IRHA5 Specifications

Filtration Capacity
(1415lpm) at 110 psi (7.5 bar)
Filter Efficiency
All Stages Have
Filter Change Indicators
First Stage: Filters down to 5 microns. 95% of bulk liquids. Automatic drain.
Second Stage: Filters down to .01 microns. 99.9998% efficient. Automatic drain
Third Stage: Removes oil vapors, odors and tastes. Maximum remaining oil
content .003 ppm/wt. 99.9998% efficient.
Filter Housing
Polycarbonate bowls.
1/2” (13mm) Industrial Interchange (Hansen Compatible) male
4 - 1/4 inch Hansen style quick disconnect
CEJN, Snap Tite, Schrader also available
Aluminum block manifold
Maximum Inlet Pressure
150 PSI  - 10.3 bar
Maximum Outlet Pressure
125 PSI  - 8.6 bar
Relief Valve
125 PSI  - 8.6 bar, ASME preset
Pressure Regulator
Locking adjustable regulator w/ 0 - 160 PSI outlet gauge
Flow through, In line continuous operation
Portable Units: 115-volt AC (10’ cord included) or
8-AA batteries. Monitor switches automatically to DC with AC power failure
Digital LCD - Accurate +/- 1% of full scale
External Operation Lights
green light - normal AC operation
red light - high CO
amber light (steady) - battery power in use
amber light flashing - low battery with flashing chirp
Audible Alarm
High intensity 90 dB
90% of full scale in 10 seconds
Electrochemical (CO specific)
Output Signal
Remote alarm jack with DC output and cover cap
Auto calibration (no tools required). Completes in 90 seconds.
Recommended monthly.
Two years on sensor and monitor

Choose Options and Quantity
Replacement Parts CAB50FEA - Stage 1 Element [+$35.00]
CAB50FEB - Stage 2 Element [+$80.00]
CAB50FEC - Stage 3 Element [+$85.00]
CAB50FK - Element kit, Stages 1 - 3 included [+$170.00]
CABRS2 - CO Monitor Sensor Element [+$431.25]
Accessories CABCK - Calibration Kit [+$252.00]
CABKS50100 - Kickstand [+$65.00]
V25HA - 1/4 inch splitter [+$70.00]
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