RKI GX-3R Pro 5 Gas Confined Space Monitor with Wireless Communication 5th Sensor:% Carbon Dioxide (% CO2) These 3M dust masks are

These 3M dust masks are packed and sold 20 per box

Maintenance-free: no sensor or battery changes necessary

This large (36x60 in

the hose must be only an Allegro approved airline hose up to the 'point of attachment' to maintain this approval

RKI GX-3R Pro 5 Gas Confined Space Monitor with Wireless Communication 5th Sensor:% Carbon Dioxide (% CO2) These 3M dust masks areRKI 3R PRO 5 Gas Monitor with Wireless Communication and Man down Alarm is the smallest and lightest 5 Gas Personal monitor. Weighing only 4. 58 ounces, it fits in the palm of your hand. In addition to the four confined space gases (CO, H2S, LEL, O2) the GX 3R Pro has a 5th channel for toxic and infrared sensors. The GX 3R Pro comes equipped with Bluetooth wireless communication. This 5 gas monitor utilizes Bluetooth communication to display direct