Monitors & Parts
Keep workers protected by monitoring the air that they are breathing.
This category includes:
- CO Monitors
- PAPR Systems
- Breathing Air Boxes
- CO Monitor Calibration Kits
The products listed on the site are only a sampling of what we have to offer and we will continue to add items in all product categories. Call your rep today if you are looking for something that you don't see listed. We have it!

Pressure Gauge 160 psi 1/4" NPT Back Mount
- Back Mount Pressure Gauge
- 160 PSI
- 1/4" NPT

Barricade® CO Monitor w/o Cord
- Operating status LED lights
- Manual alarm silencer
- 105 dB audio alarm with visual alarms
- Easy-view window
- Remote strobe light & alarm compatible

Electric Cord Barricade 10' 12V DC
- For use with the Barricade CO monitor
- 10' of power cord

Cord: Extension;External Alarm
- 50' extension cord
- For use with the 1050110 external strobe and alarm

Barricade® CO Monitor 12V DC Includes Cord
- Operating status LED lights
- Manual alarm silencer
- 105 dB audio alarm with visual alarms
- Easy-view window
- Remote strobe light & alarm compatible
- 10' of 12-volt DC power supply cord (1050102)

COC50 Calibration Kit
Calibration kit comes complete with:
- 95 ppm calibration gas
- Zero calibration gas
- Calibration adapter fitting
- Hose for calibration
- Potentiometer tool for calibration
- Calibration gas regulator valve

Breather Box w/ Blast-Air Cart 100cfm
- Air Systems BB100 Breather Box with Blast-Air Cart
- 100 CFM
- Three stage filters
- Steel Cart with Pneumatic Tires
- 40" H x 20" W x 19" D
- 42 lbs

Air Systems® BB50 Breather Box®
- Air Systems The Breather Box BB50
- Carbon Monoxide (CO) Monitor
- Three Stage Filtration
- 1/2" Industrial Interchange Incoming Air Plug
- Two Automatic Drains with Discharge Tubes
- Remote Alarm Receptacle
- External Warning Lights & Alarm

Air Systems® Replacement Filter Kit
- Air Systems BB50 Breather Box CO Monitor Filter Kit
- Filter element "A" and o-ring
- Filter element "C" and o-ring
- Filter element "D" and o-ring

Bullard 50 CFM Clean Air Box
- Bullard Clean Air Box
- 50 CFM
- Hansen Fittings
- 4-Outlet
- 10 ppm

Bullard 10ppm Calibration Gas
- Bullard 10 ppm Calibration Gas
- 17 Liter Bottle

Bullard Calibration Kit
- Calibration Kit
- For Bullard Clean Air Boxes
- Includes Zero Gas, 10 ppm Gas

MST Respiratory Protector, Complete
- MST® Respiratory Protector®
- 9-Volt Batteries
- 4-Stage Filtration
- Pelican Case

MST® COC50 Filter Kit
- Replacement filters for MST Respiratory Protector CO Monitor
- Includes three filter elements

PX5 BATTERY CHARGER
- For use with the RPB PX5 PAPR (Powered air purifying respirator)

GVS-RPB GX4 CO Monitor, 120V
- RPB GX4 Gas Monitor
- 120-Volt AC Adapter
- 7-80 psi air supply pressure
- NIOSH Approved
- 4.74 lbs

GVS-RPB GX4 CO Monitor, 12V
- RPB GX4 Gas Monitor
- 12-Volt DC cable with battery clips
- 7-80 psi air supply pressure
- NIOSH Approved
- 4.74 lbs

RPB® GX4 Carbon Monoxide Sensor
- Carbon monixide sensor cartridge - 10ppm

HYDROGEN SULFIDE SENSOR
- Hydrogen sulfide replacement cartridge - 10ppm
- For use with the RPB GX4 gas monitor

RPB® GX4 Oxygen Sensor 19.5-23%
- Oxygen sensor cartridge - 19.5%-23%
- For use with the RPB GX4 gas monitor

3M™ 6800 Full Facepiece PAPR SZ MD
- Compact design fits closely to the wearer
- Up to eight hours of battery service
- Lightweight and well-balanced